CVE-2026-20515: CWE-416 Use After Free in MediaTek, Inc. MediaTek chipset
Description
In gpu, there is a possible system crash due to use after free. This could lead to local information disclosure with User execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11122991; Issue ID: MSV-8132.
CVSS v3.1
Score 5.5medium
Affected software
MediaTek, Inc.
MediaTek chipset
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the GPU of MediaTek chipsets MT6991 and MT8799. The flaw may cause the system to crash and could allow local information disclosure if exploited. Exploitation requires the attacker to have user execution privileges and user interaction. There is no CVSS score or vendor advisory indicating a patch or mitigation at this time.
Potential Impact
Successful exploitation could cause a system crash and local information disclosure on affected MediaTek chipsets. The attacker must have user execution privileges and require user interaction, limiting the scope of impact to local users who can trigger the vulnerability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation has been published as of now.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- MediaTek
- Date Reserved
- 2025-11-03T01:30:59.031Z
- State
- PUBLISHED
Threat ID: 6a9e1c75acd9273b49c51dd7
Added to database: 09/07/2026, 02:07:49 UTC
Last enriched: 09/07/2026, 08:24:44 UTC
Last updated: 10/21/2026, 13:20:20 UTC
Views: 151
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.