CVE-2026-20531: CWE-416 Use After Free in MediaTek, Inc. MediaTek chipset
Description
CVE-2026-20531 is a use-after-free vulnerability in the MediaTek chipset's apu component that can cause memory corruption. This flaw allows local escalation of privilege without requiring additional execution privileges or user interaction. A patch identified as ALPS11249016 addresses this issue. The vulnerability affects specific MediaTek chipset versions including MT6899, MT6993, MT8668, MT8781, MT8793, and MT8910.
Affected software
MediaTek, Inc.
MediaTek chipset
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-20531) involves a use-after-free condition in the apu component of MediaTek chipsets, leading to possible memory corruption. Exploitation can result in local privilege escalation without needing extra execution privileges or user interaction. The vendor has assigned a patch ID ALPS11249016 to remediate this issue. The affected chipset versions are MT6899, MT6993, MT8668, MT8781, MT8793, and MT8910. No CVSS score is provided, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation of this use-after-free vulnerability can lead to local escalation of privilege on affected MediaTek chipsets. This means an attacker with local access could gain higher privileges without needing additional execution rights or user interaction, potentially compromising system security.
Mitigation Recommendations
A patch identified as ALPS11249016 is available to address this vulnerability. Users and administrators of affected MediaTek chipsets should apply this official fix as provided by MediaTek to remediate the issue. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- MediaTek
- Date Reserved
- 2025-11-03T01:30:59.034Z
- State
- PUBLISHED
Threat ID: 6ac309152cdf04f656a0bf9e
Added to database: 10/05/2026, 02:19:01 UTC
Last enriched: 10/05/2026, 02:34:28 UTC
Last updated: 10/05/2026, 02:48:12 UTC
Views: 5
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