CVE-2026-20559

Published Nov 2, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
In GPU pdma, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11365081; Issue ID: MSV-9545.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title GPU PDMA Use-After-Free Memory Corruption Enabling Local Privilege Escalation
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/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'}

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mediatek Chipset
Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek
Mediatek mediatek Chipset
Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Type Values Removed Values Added
Title GPU PDMA Use-After-Free Memory Corruption Enabling Local Privilege Escalation
Type Values Removed Values Added
Description In GPU pdma, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11365081; Issue ID: MSV-9545.
Weaknesses CWE-416
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
MediaTek
Published
Updated
Nov 3, 2026, 4:55 AM
Reserved
Nov 3, 2025, 1:30 AM
Status
Awaiting Analysis
Published
Nov 2, 2026, 3:17 AM
Modified
Nov 3, 2026, 5:18 AM