CVE-2026-76458 - Vulnerability Details

- Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Handling of Exceptional Conditions Vulnerabilities

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.

The vulnerabilities tracked by CVE-2026-76458 are related to improper handling of exceptional conditions issues that are grouped under the Common Weakness Enumeration (CWE) CWE-703.

Published: 2026-10-07

Score: 8.6 High

EPSS: < 1% Very Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Cisco

Cisco NX-OS Software

unknown

Version	Status	Constraints
`8.2(5)`	affected	—
`7.3(5)D1(1)`	affected	—
`8.4(2)`	affected	—
`8.4(3)`	affected	—
`9.2(3)`	affected	—
`8.2(1)`	affected	—
`7.3(1)D1(1)`	affected	—
`9.2(2v)`	affected	—
`7.3(0)D1(1)`	affected	—
`7.3(4)D1(1)`	affected	—
`9.2(1)`	affected	—
`9.2(2t)`	affected	—
`9.2(3y)`	affected	—
`9.3(2)`	affected	—
`7.3(1)DY(1)`	affected	—
`8.1(1)`	affected	—
`8.2(2)`	affected	—
`8.3(2)`	affected	—
`7.3(2)D1(3a)`	affected	—
`9.2(4)`	affected	—
`8.1(2)`	affected	—
`7.3(3)D1(1)`	affected	—
`8.2(3)`	affected	—
`8.3(1)`	affected	—
`8.4(1)`	affected	—
`8.1(1b)`	affected	—
`7.3(0)DX(1)`	affected	—
`7.3(2)D1(1)`	affected	—
`9.3(1)`	affected	—
`7.3(2)D1(2)`	affected	—
`8.2(4)`	affected	—
`7.3(0)DY(1)`	affected	—
`9.3(1z)`	affected	—
`9.2(2)`	affected	—
`8.1(2a)`	affected	—
`7.3(2)D1(3)`	affected	—
`8.1(1a)`	affected	—
`8.4(1a)`	affected	—
`9.3(3)`	affected	—
`7.3(2)D1(1d)`	affected	—
`9.3(4)`	affected	—
`7.3(6)D1(1)`	affected	—
`8.2(6)`	affected	—
`9.3(5)`	affected	—
`8.4(2a)`	affected	—
`8.4(2b)`	affected	—
`8.5(1)`	affected	—
`9.3(6)`	affected	—
`8.4(4)`	affected	—
`7.3(7)D1(1)`	affected	—
`8.4(2c)`	affected	—
`9.3(5w)`	affected	—
`8.2(7)`	affected	—
`9.3(7)`	affected	—
`9.3(7k)`	affected	—
`7.3(8)D1(1)`	affected	—
`9.3(7a)`	affected	—
`8.2(7a)`	affected	—
`9.3(8)`	affected	—
`8.4(4a)`	affected	—
`8.4(2d)`	affected	—
`8.4(5)`	affected	—
`8.2(8)`	affected	—
`9.3(9)`	affected	—
`7.3(9)D1(1)`	affected	—
`8.4(6)`	affected	—
`8.4(2e)`	affected	—
`9.3(10)`	affected	—
`9.2(1a)`	affected	—
`8.2(9)`	affected	—
`10.3(1)`	affected	—
`8.4(7)`	affected	—
`10.3(2)`	affected	—
`8.4(6a)`	affected	—
`9.3(11)`	affected	—
`10.3(3)`	affected	—
`9.4(1)`	affected	—
`9.3(2a)`	affected	—
`8.4(2f)`	affected	—
`8.2(10)`	affected	—
`9.3(12)`	affected	—
`10.4(1)`	affected	—
`8.4(8)`	affected	—
`10.3(99w)`	affected	—
`10.3(3w)`	affected	—
`10.3(99x)`	affected	—
`10.3(3o)`	affected	—
`8.4(9)`	affected	—
`10.3(4)`	affected	—
`10.3(3p)`	affected	—
`10.3(4a)`	affected	—
`9.4(1a)`	affected	—
`10.4(2)`	affected	—
`10.3(3q)`	affected	—
`9.3(13)`	affected	—
`8.2(11)`	affected	—
`9.4(2)`	affected	—
`10.3(5)`	affected	—
`10.4(3)`	affected	—
`10.3(3x)`	affected	—
`10.3(4g)`	affected	—
`10.5(1)`	affected	—
`8.4(10)`	affected	—
`9.4(2a)`	affected	—
`10.3(3r)`	affected	—
`10.3(6)`	affected	—
`9.3(14)`	affected	—
`10.4(4)`	affected	—
`10.3(4h)`	affected	—
`10.5(2)`	affected	—
`10.5(1j)`	affected	—
`8.4(11)`	affected	—
`9.4(3)`	affected	—
`10.3(7)`	affected	—
`10.4(5)`	affected	—
`10.5(3)`	affected	—
`9.3(15)`	affected	—
`9.4(3a)`	affected	—
`10.4(4g)`	affected	—
`10.5(4)`	affected	—
`9.4(3b)`	affected	—
`8.4(12)`	affected	—
`10.6(1)`	affected	—
`10.5(3t)`	affected	—
`10.3(8)`	affected	—
`10.4(6)`	affected	—
`10.5(3s)`	affected	—
`10.5(3e)`	affected	—
`9.4(4)`	affected	—
`10.5(3o)`	affected	—
`9.3(16)`	affected	—
`10.6(1s)`	affected	—
`10.6(2)`	affected	—
`10.5(3p)`	affected	—
`9.4(5)`	affected	—
`10.3(9)`	affected	—
`10.6(2s)`	affected	—
`8.4(13)`	affected	—
`10.6(3)`	affected	—
`10.4(7)`	affected	—
`10.5(5)`	affected	—
`9.3(17)`	affected	—
`10.6(2n)`	affected	—
`10.6(3q)`	affected	—
`10.6(3o)`	affected	—
`10.6(3s)`	affected	—

Cisco

Cisco NX-OS System Software in ACI Mode

unknown

Version	Status	Constraints
`15.2(1g)`	affected	—
`15.2(2e)`	affected	—
`15.2(2f)`	affected	—
`15.2(2g)`	affected	—
`15.2(2h)`	affected	—
`15.2(3f)`	affected	—
`15.2(3e)`	affected	—
`15.2(3g)`	affected	—
`15.2(4d)`	affected	—
`15.2(4e)`	affected	—
`15.2(5c)`	affected	—
`15.2(5d)`	affected	—
`16.0(1g)`	affected	—
`15.2(5e)`	affected	—
`15.2(4f)`	affected	—
`15.2(6e)`	affected	—
`15.2(6h)`	affected	—
`16.0(1j)`	affected	—
`15.2(6g)`	affected	—
`15.2(7f)`	affected	—
`15.2(7g)`	affected	—
`16.0(2h)`	affected	—
`15.2(8d)`	affected	—
`16.0(2j)`	affected	—
`15.2(8e)`	affected	—
`16.0(3d)`	affected	—
`16.0(3e)`	affected	—
`15.2(8f)`	affected	—
`15.2(8g)`	affected	—
`15.3(1d)`	affected	—
`15.2(8h)`	affected	—
`16.0(4c)`	affected	—
`15.3(2a)`	affected	—
`15.2(8i)`	affected	—
`16.0(5h)`	affected	—
`15.3(2b)`	affected	—
`16.0(3g)`	affected	—
`16.0(5j)`	affected	—
`15.3(2c)`	affected	—
`16.0(6c)`	affected	—
`15.3(2d)`	affected	—
`16.1(1f)`	affected	—
`16.0(7e)`	affected	—
`16.0(8e)`	affected	—
`15.3(2e)`	affected	—
`16.0(8f)`	affected	—
`16.1(2f)`	affected	—
`16.1(2g)`	affected	—
`15.3(2f)`	affected	—
`16.0(9c)`	affected	—
`16.1(3f)`	affected	—
`16.0(9d)`	affected	—
`16.0(6h)`	affected	—
`16.0(8h)`	affected	—
`16.1(3g)`	affected	—
`16.0(9e)`	affected	—
`16.1(4h)`	affected	—
`16.1(5e)`	affected	—
`16.2(1g)`	affected	—
`16.0(9f)`	affected	—
`16.2(2e)`	affected	—

Cisco

Cisco Unified Computing System (Managed)

unknown

Version	Status	Constraints
`4.0(1a)`	affected	—
`4.1(1d)`	affected	—
`4.0(4f)`	affected	—
`4.0(4c)`	affected	—
`4.0(2b)`	affected	—
`4.1(2a)`	affected	—
`4.0(4a)`	affected	—
`4.0(4e)`	affected	—
`4.0(4h)`	affected	—
`4.0(2a)`	affected	—
`4.1(1c)`	affected	—
`4.0(1b)`	affected	—
`4.1(1e)`	affected	—
`4.0(4d)`	affected	—
`4.0(4b)`	affected	—
`4.0(2e)`	affected	—
`4.1(1a)`	affected	—
`4.0(4g)`	affected	—
`4.0(1d)`	affected	—
`4.0(1c)`	affected	—
`4.0(4i)`	affected	—
`4.0(2d)`	affected	—
`4.1(1b)`	affected	—
`4.1(2b)`	affected	—
`4.0(4k)`	affected	—
`4.1(3a)`	affected	—
`4.1(3b)`	affected	—
`4.1(2c)`	affected	—
`4.0(4l)`	affected	—
`4.1(4a)`	affected	—
`4.1(3c)`	affected	—
`4.1(3d)`	affected	—
`4.2(1c)`	affected	—
`4.2(1d)`	affected	—
`4.0(4m)`	affected	—
`4.1(3e)`	affected	—
`4.2(1f)`	affected	—
`4.1(3f)`	affected	—
`4.2(1i)`	affected	—
`4.1(3h)`	affected	—
`4.2(1k)`	affected	—
`4.2(1l)`	affected	—
`4.0(4n)`	affected	—
`4.2(1m)`	affected	—
`4.1(3i)`	affected	—
`4.2(2a)`	affected	—
`4.2(1n)`	affected	—
`4.1(3j)`	affected	—
`4.2(2c)`	affected	—
`4.2(2d)`	affected	—
`4.2(3b)`	affected	—
`4.1(3k)`	affected	—
`4.0(4o)`	affected	—
`4.2(2e)`	affected	—
`4.2(3d)`	affected	—
`4.2(3e)`	affected	—
`4.2(3g)`	affected	—
`4.1(3l)`	affected	—
`4.3(2b)`	affected	—
`4.2(3h)`	affected	—
`4.2(3i)`	affected	—
`4.3(2c)`	affected	—
`4.1(3m)`	affected	—
`4.3(2e)`	affected	—
`4.3(3a)`	affected	—
`4.2(3j)`	affected	—
`4.3(3c)`	affected	—
`4.3(4a)`	affected	—
`4.2(3k)`	affected	—
`4.3(4b)`	affected	—
`4.3(4c)`	affected	—
`4.2(3l)`	affected	—
`4.3(4d)`	affected	—
`4.3(2f)`	affected	—
`4.2(3m)`	affected	—
`4.3(5a)`	affected	—
`4.3(4e)`	affected	—
`4.1(3n)`	affected	—
`4.3(4f)`	affected	—
`4.2(3n)`	affected	—
`4.3(5c)`	affected	—
`4.2(3o)`	affected	—
`4.3(5d)`	affected	—
`4.3(6a)`	affected	—
`4.3(6b)`	affected	—
`4.3(5e)`	affected	—
`4.3(6c)`	affected	—
`4.2(3p)`	affected	—
`6.0(1b)`	affected	—
`6.0(1c)`	affected	—
`4.3(6d)`	affected	—
`6.0(1d)`	affected	—
`6.0(1e)`	affected	—
`4.3(6e)`	affected	—
`6.0(1f)`	affected	—
`4.3(6f)`	affected	—
`6.0(2b)`	affected	—
`6.0(1h)`	affected	—
`4.2(3r)`	affected	—
`6.0(2c)`	affected	—
`4.3(6g)`	affected	—
`6.0(2d)`	affected	—
`4.3(6h)`	affected	—
`4.2(3s)`	affected	—
`4.3(6i)`	affected	—

No data.

Vendor Product Confidence Versions

Cisco

Cisco Nx-os System Software In Aci Mode

100%

Version	Status	Scheme	Platform
`15.2(1g)`	affected	generic	—
`15.2(2e)`	affected	generic	—
`15.2(2f)`	affected	generic	—
`15.2(2g)`	affected	generic	—
`15.2(2h)`	affected	generic	—
`15.2(3f)`	affected	generic	—
`15.2(3e)`	affected	generic	—
`15.2(3g)`	affected	generic	—
`15.2(4d)`	affected	generic	—
`15.2(4e)`	affected	generic	—
`15.2(5c)`	affected	generic	—
`15.2(5d)`	affected	generic	—
`16.0(1g)`	affected	generic	—
`15.2(5e)`	affected	generic	—
`15.2(4f)`	affected	generic	—
`15.2(6e)`	affected	generic	—
`15.2(6h)`	affected	generic	—
`16.0(1j)`	affected	generic	—
`15.2(6g)`	affected	generic	—
`15.2(7f)`	affected	generic	—
`15.2(7g)`	affected	generic	—
`16.0(2h)`	affected	generic	—
`15.2(8d)`	affected	generic	—
`16.0(2j)`	affected	generic	—
`15.2(8e)`	affected	generic	—
`16.0(3d)`	affected	generic	—
`16.0(3e)`	affected	generic	—
`15.2(8f)`	affected	generic	—
`15.2(8g)`	affected	generic	—
`15.3(1d)`	affected	generic	—
`15.2(8h)`	affected	generic	—
`16.0(4c)`	affected	generic	—
`15.3(2a)`	affected	generic	—
`15.2(8i)`	affected	generic	—
`16.0(5h)`	affected	generic	—
`15.3(2b)`	affected	generic	—
`16.0(3g)`	affected	generic	—
`16.0(5j)`	affected	generic	—
`15.3(2c)`	affected	generic	—
`16.0(6c)`	affected	generic	—
`15.3(2d)`	affected	generic	—
`16.1(1f)`	affected	generic	—
`16.0(7e)`	affected	generic	—
`16.0(8e)`	affected	generic	—
`15.3(2e)`	affected	generic	—
`16.0(8f)`	affected	generic	—
`16.1(2f)`	affected	generic	—
`16.1(2g)`	affected	generic	—
`15.3(2f)`	affected	generic	—
`16.0(9c)`	affected	generic	—
`16.1(3f)`	affected	generic	—
`16.0(9d)`	affected	generic	—
`16.0(6h)`	affected	generic	—
`16.0(8h)`	affected	generic	—
`16.1(3g)`	affected	generic	—
`16.0(9e)`	affected	generic	—
`16.1(4h)`	affected	generic	—
`16.1(5e)`	affected	generic	—
`16.2(1g)`	affected	generic	—
`16.0(9f)`	affected	generic	—
`16.2(2e)`	affected	generic	—

Cisco

Nx-os Software

87%

Version	Status	Scheme	Platform
`8.2(5)`	affected	generic	—
`7.3(5)D1(1)`	affected	generic	—
`8.4(2)`	affected	generic	—
`8.4(3)`	affected	generic	—
`9.2(3)`	affected	generic	—
`8.2(1)`	affected	generic	—
`7.3(1)D1(1)`	affected	generic	—
`9.2(2v)`	affected	generic	—
`7.3(0)D1(1)`	affected	generic	—
`7.3(4)D1(1)`	affected	generic	—
`9.2(1)`	affected	generic	—
`9.2(2t)`	affected	generic	—
`9.2(3y)`	affected	generic	—
`9.3(2)`	affected	generic	—
`7.3(1)DY(1)`	affected	generic	—
`8.1(1)`	affected	generic	—
`8.2(2)`	affected	generic	—
`8.3(2)`	affected	generic	—
`7.3(2)D1(3a)`	affected	generic	—
`9.2(4)`	affected	generic	—
`8.1(2)`	affected	generic	—
`7.3(3)D1(1)`	affected	generic	—
`8.2(3)`	affected	generic	—
`8.3(1)`	affected	generic	—
`8.4(1)`	affected	generic	—
`8.1(1b)`	affected	generic	—
`7.3(0)DX(1)`	affected	generic	—
`7.3(2)D1(1)`	affected	generic	—
`9.3(1)`	affected	generic	—
`7.3(2)D1(2)`	affected	generic	—
`8.2(4)`	affected	generic	—
`7.3(0)DY(1)`	affected	generic	—
`9.3(1z)`	affected	generic	—
`9.2(2)`	affected	generic	—
`8.1(2a)`	affected	generic	—
`7.3(2)D1(3)`	affected	generic	—
`8.1(1a)`	affected	generic	—
`8.4(1a)`	affected	generic	—
`9.3(3)`	affected	generic	—
`7.3(2)D1(1d)`	affected	generic	—
`9.3(4)`	affected	generic	—
`7.3(6)D1(1)`	affected	generic	—
`8.2(6)`	affected	generic	—
`9.3(5)`	affected	generic	—
`8.4(2a)`	affected	generic	—
`8.4(2b)`	affected	generic	—
`8.5(1)`	affected	generic	—
`9.3(6)`	affected	generic	—
`8.4(4)`	affected	generic	—
`7.3(7)D1(1)`	affected	generic	—
`8.4(2c)`	affected	generic	—
`9.3(5w)`	affected	generic	—
`8.2(7)`	affected	generic	—
`9.3(7)`	affected	generic	—
`9.3(7k)`	affected	generic	—
`7.3(8)D1(1)`	affected	generic	—
`9.3(7a)`	affected	generic	—
`8.2(7a)`	affected	generic	—
`9.3(8)`	affected	generic	—
`8.4(4a)`	affected	generic	—
`8.4(2d)`	affected	generic	—
`8.4(5)`	affected	generic	—
`8.2(8)`	affected	generic	—
`9.3(9)`	affected	generic	—
`7.3(9)D1(1)`	affected	generic	—
`8.4(6)`	affected	generic	—
`8.4(2e)`	affected	generic	—
`9.3(10)`	affected	generic	—
`9.2(1a)`	affected	generic	—
`8.2(9)`	affected	generic	—
`10.3(1)`	affected	generic	—
`8.4(7)`	affected	generic	—
`10.3(2)`	affected	generic	—
`8.4(6a)`	affected	generic	—
`9.3(11)`	affected	generic	—
`10.3(3)`	affected	generic	—
`9.4(1)`	affected	generic	—
`9.3(2a)`	affected	generic	—
`8.4(2f)`	affected	generic	—
`8.2(10)`	affected	generic	—
`9.3(12)`	affected	generic	—
`10.4(1)`	affected	generic	—
`8.4(8)`	affected	generic	—
`10.3(99w)`	affected	generic	—
`10.3(3w)`	affected	generic	—
`10.3(99x)`	affected	generic	—
`10.3(3o)`	affected	generic	—
`8.4(9)`	affected	generic	—
`10.3(4)`	affected	generic	—
`10.3(3p)`	affected	generic	—
`10.3(4a)`	affected	generic	—
`9.4(1a)`	affected	generic	—
`10.4(2)`	affected	generic	—
`10.3(3q)`	affected	generic	—
`9.3(13)`	affected	generic	—
`8.2(11)`	affected	generic	—
`9.4(2)`	affected	generic	—
`10.3(5)`	affected	generic	—
`10.4(3)`	affected	generic	—
`10.3(3x)`	affected	generic	—
`10.3(4g)`	affected	generic	—
`10.5(1)`	affected	generic	—
`8.4(10)`	affected	generic	—
`9.4(2a)`	affected	generic	—
`10.3(3r)`	affected	generic	—
`10.3(6)`	affected	generic	—
`9.3(14)`	affected	generic	—
`10.4(4)`	affected	generic	—
`10.3(4h)`	affected	generic	—
`10.5(2)`	affected	generic	—
`10.5(1j)`	affected	generic	—
`8.4(11)`	affected	generic	—
`9.4(3)`	affected	generic	—
`10.3(7)`	affected	generic	—
`10.4(5)`	affected	generic	—
`10.5(3)`	affected	generic	—
`9.3(15)`	affected	generic	—
`9.4(3a)`	affected	generic	—
`10.4(4g)`	affected	generic	—
`10.5(4)`	affected	generic	—
`9.4(3b)`	affected	generic	—
`8.4(12)`	affected	generic	—
`10.6(1)`	affected	generic	—
`10.5(3t)`	affected	generic	—
`10.3(8)`	affected	generic	—
`10.4(6)`	affected	generic	—
`10.5(3s)`	affected	generic	—
`10.5(3e)`	affected	generic	—
`9.4(4)`	affected	generic	—
`10.5(3o)`	affected	generic	—
`9.3(16)`	affected	generic	—
`10.6(1s)`	affected	generic	—
`10.6(2)`	affected	generic	—
`10.5(3p)`	affected	generic	—
`9.4(5)`	affected	generic	—
`10.3(9)`	affected	generic	—
`10.6(2s)`	affected	generic	—
`8.4(13)`	affected	generic	—
`10.6(3)`	affected	generic	—
`10.4(7)`	affected	generic	—
`10.5(5)`	affected	generic	—
`9.3(17)`	affected	generic	—
`10.6(2n)`	affected	generic	—
`10.6(3q)`	affected	generic	—
`10.6(3o)`	affected	generic	—
`10.6(3s)`	affected	generic	—

Cisco

Unified Computing System Manager

89%

Version	Status	Scheme	Platform
`4.0(1a)`	affected	generic	—
`4.1(1d)`	affected	generic	—
`4.0(4f)`	affected	generic	—
`4.0(4c)`	affected	generic	—
`4.0(2b)`	affected	generic	—
`4.1(2a)`	affected	generic	—
`4.0(4a)`	affected	generic	—
`4.0(4e)`	affected	generic	—
`4.0(4h)`	affected	generic	—
`4.0(2a)`	affected	generic	—
`4.1(1c)`	affected	generic	—
`4.0(1b)`	affected	generic	—
`4.1(1e)`	affected	generic	—
`4.0(4d)`	affected	generic	—
`4.0(4b)`	affected	generic	—
`4.0(2e)`	affected	generic	—
`4.1(1a)`	affected	generic	—
`4.0(4g)`	affected	generic	—
`4.0(1d)`	affected	generic	—
`4.0(1c)`	affected	generic	—
`4.0(4i)`	affected	generic	—
`4.0(2d)`	affected	generic	—
`4.1(1b)`	affected	generic	—
`4.1(2b)`	affected	generic	—
`4.0(4k)`	affected	generic	—
`4.1(3a)`	affected	generic	—
`4.1(3b)`	affected	generic	—
`4.1(2c)`	affected	generic	—
`4.0(4l)`	affected	generic	—
`4.1(4a)`	affected	generic	—
`4.1(3c)`	affected	generic	—
`4.1(3d)`	affected	generic	—
`4.2(1c)`	affected	generic	—
`4.2(1d)`	affected	generic	—
`4.0(4m)`	affected	generic	—
`4.1(3e)`	affected	generic	—
`4.2(1f)`	affected	generic	—
`4.1(3f)`	affected	generic	—
`4.2(1i)`	affected	generic	—
`4.1(3h)`	affected	generic	—
`4.2(1k)`	affected	generic	—
`4.2(1l)`	affected	generic	—
`4.0(4n)`	affected	generic	—
`4.2(1m)`	affected	generic	—
`4.1(3i)`	affected	generic	—
`4.2(2a)`	affected	generic	—
`4.2(1n)`	affected	generic	—
`4.1(3j)`	affected	generic	—
`4.2(2c)`	affected	generic	—
`4.2(2d)`	affected	generic	—
`4.2(3b)`	affected	generic	—
`4.1(3k)`	affected	generic	—
`4.0(4o)`	affected	generic	—
`4.2(2e)`	affected	generic	—
`4.2(3d)`	affected	generic	—
`4.2(3e)`	affected	generic	—
`4.2(3g)`	affected	generic	—
`4.1(3l)`	affected	generic	—
`4.3(2b)`	affected	generic	—
`4.2(3h)`	affected	generic	—
`4.2(3i)`	affected	generic	—
`4.3(2c)`	affected	generic	—
`4.1(3m)`	affected	generic	—
`4.3(2e)`	affected	generic	—
`4.3(3a)`	affected	generic	—
`4.2(3j)`	affected	generic	—
`4.3(3c)`	affected	generic	—
`4.3(4a)`	affected	generic	—
`4.2(3k)`	affected	generic	—
`4.3(4b)`	affected	generic	—
`4.3(4c)`	affected	generic	—
`4.2(3l)`	affected	generic	—
`4.3(4d)`	affected	generic	—
`4.3(2f)`	affected	generic	—
`4.2(3m)`	affected	generic	—
`4.3(5a)`	affected	generic	—
`4.3(4e)`	affected	generic	—
`4.1(3n)`	affected	generic	—
`4.3(4f)`	affected	generic	—
`4.2(3n)`	affected	generic	—
`4.3(5c)`	affected	generic	—
`4.2(3o)`	affected	generic	—
`4.3(5d)`	affected	generic	—
`4.3(6a)`	affected	generic	—
`4.3(6b)`	affected	generic	—
`4.3(5e)`	affected	generic	—
`4.3(6c)`	affected	generic	—
`4.2(3p)`	affected	generic	—
`6.0(1b)`	affected	generic	—
`6.0(1c)`	affected	generic	—
`4.3(6d)`	affected	generic	—
`6.0(1d)`	affected	generic	—
`6.0(1e)`	affected	generic	—
`4.3(6e)`	affected	generic	—
`6.0(1f)`	affected	generic	—
`4.3(6f)`	affected	generic	—
`6.0(2b)`	affected	generic	—
`6.0(1h)`	affected	generic	—
`4.2(3r)`	affected	generic	—
`6.0(2c)`	affected	generic	—
`4.3(6g)`	affected	generic	—
`6.0(2d)`	affected	generic	—
`4.3(6h)`	affected	generic	—
`4.2(3s)`	affected	generic	—
`4.3(6i)`	affected	generic	—

Found an issue or want to improve our Enrichment? You can suggest it directly by opening an issue on our dedicated GitHub repository .

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00278.

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-nxosw1-cWzSbtR

History

Fri, 09 Oct 2026 07:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Cisco Cisco cisco Nx-os System Software In Aci Mode Cisco nx-os Software Cisco unified Computing System Manager
Vendors & Products		Cisco Cisco cisco Nx-os System Software In Aci Mode Cisco nx-os Software Cisco unified Computing System Manager

Thu, 08 Oct 2026 17:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 07 Oct 2026 16:30:00 +0000

Type	Values Removed	Values Added
Description		As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76458 are related to improper handling of exceptional conditions issues that are grouped under the Common Weakness Enumeration (CWE) CWE-703.
Title		Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Handling of Exceptional Conditions Vulnerabilities
Weaknesses		CWE-703
References		https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-nxosw1-cWzSbtR
Metrics		cvssV3_1 `{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H'}`

Subscriptions

Cisco Cisco Nx-os System Software In Aci Mode Nx-os Software Unified Computing System Manager

MITRE

Status: PUBLISHED

Assigner: cisco

Published: 2026-10-07T16:15:49.354Z

Updated: 2026-10-08T15:32:15.339Z

Reserved: 2026-08-19T12:02:03.637Z

Link: CVE-2026-76458

Vulnrichment

Updated: 2026-10-08T15:32:09.324Z

NVD

Status : Awaiting Analysis

Published: 2026-10-07T17:16:58.280

Modified: 2026-10-08T20:08:45.857

Link: CVE-2026-76458

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-10-09T07:30:17Z

Weaknesses

CWE-703
Improper Check or Handling of Exceptional Conditions

Tracking

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Exploitation none

Automatable yes

Technical Impact partial

Subscriptions

JSON object

JSON object

JSON object

JSON object

JSON object