CVE-2026-20591

Published Nov 2, 2026 CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Description
In GPU pdma, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11365075; Issue ID: MSV-9546.

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
First Time appeared Mediatek mt6993
Mediatek mt6993 Firmware
Mediatek mt8910
Mediatek mt8910 Firmware
CPEs cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8910_firmware:-:*:*:*:*:*:*:*
Vendors & Products Mediatek mt6993
Mediatek mt6993 Firmware
Mediatek mt8910
Mediatek mt8910 Firmware
Type Values Removed Values Added
Title GPU DMA Permission Check Failure Allows Local Privilege Escalation
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'}

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 DMA Permission Check Failure Allows Local Privilege Escalation
Type Values Removed Values Added
Description In GPU pdma, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11365075; Issue ID: MSV-9546.
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
Analyzed
Published
Nov 2, 2026, 3:17 AM
Modified
Nov 12, 2026, 4:46 PM