Description
In Av1DecodeFrameTag of vp9hwd_headers.cc, there is a possible out-of-bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Published: 2026-09-15
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 17 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write in Av1DecodeFrameTag Allows Remote Privilege Escalation

Tue, 15 Sep 2026 22:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-787
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 15 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google android
Vendors & Products Google
Google android

Tue, 15 Sep 2026 18:45:00 +0000

Type Values Removed Values Added
Description In Av1DecodeFrameTag of vp9hwd_headers.cc, there is a possible out-of-bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Google_Devices

Published:

Updated: 2026-09-16T03:58:03.600Z

Reserved: 2026-06-23T16:23:34.034Z

Link: CVE-2026-56997

cve-icon Vulnrichment

Updated: 2026-09-15T21:05:56.111Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-15T19:17:30.323

Modified: 2026-09-16T19:24:44.153

Link: CVE-2026-56997

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-17T08:30:15Z

Weaknesses