Description
In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11262030; Issue ID: MSV-9196.
Published: 2026-09-07
Score: 8.4 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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

Mon, 07 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Title MediaTek chipset vdec out-of-bounds write leading to local privilege escalation

Mon, 07 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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

Mon, 07 Sep 2026 05:15:00 +0000

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

Mon, 07 Sep 2026 03:45:00 +0000

Type Values Removed Values Added
Title MediaTek chipset vdec out-of-bounds write leading to local privilege escalation

Mon, 07 Sep 2026 02:00:00 +0000

Type Values Removed Values Added
Description In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11262030; Issue ID: MSV-9196.
Weaknesses CWE-122
References

Subscriptions

Mediatek, Inc. Mediatek Chipset
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published:

Updated: 2026-09-07T10:39:00.630Z

Reserved: 2025-11-03T01:30:59.028Z

Link: CVE-2026-20502

cve-icon Vulnrichment

Updated: 2026-09-07T10:38:50.909Z

cve-icon NVD

Status : Received

Published: 2026-09-07T02:17:18.917

Modified: 2026-09-07T11:17:22.390

Link: CVE-2026-20502

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-07T14:15:16Z

Weaknesses
  • CWE-122

    Heap-based Buffer Overflow