Description
In vdec, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11383899; Issue ID: MSV-9800.
Published: 2026-10-05
Score: 6.7 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Advisories

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History

Mon, 05 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Write in MediaTek vdec May Enable Local Privilege Escalation

Mon, 05 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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

Mon, 05 Oct 2026 08:15:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek, Inc.
Mediatek, Inc. mediatek Chipset

Mon, 05 Oct 2026 04:00:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Write in MediaTek vdec May Enable Local Privilege Escalation

Mon, 05 Oct 2026 02:15:00 +0000

Type Values Removed Values Added
Description In vdec, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11383899; Issue ID: MSV-9800.
Weaknesses CWE-787
References

Subscriptions

Mediatek, Inc. Mediatek Chipset
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published:

Updated: 2026-10-05T10:53:47.580Z

Reserved: 2025-11-03T01:30:59.049Z

Link: CVE-2026-20579

cve-icon Vulnrichment

Updated: 2026-10-05T10:41:03.809Z

cve-icon NVD

Status : Received

Published: 2026-10-05T02:16:53.683

Modified: 2026-10-05T11:16:52.450

Link: CVE-2026-20579

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-05T13:15:07Z

Weaknesses