CVE-2026-20466

State
Published
Severity
6.1 Medium
Published
Aug 3, 2026
Updated
Aug 3, 2026
Reserved
Nov 3, 2025

Read the record on cve.org

Description

In sec boot, there is a possible escalation of privilege due to a heap buffer overflow. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: AUTO00845351 (Note: For MT2737) / ALPS11072643 (Note: For MT6880, MT6890, MT6990); Issue ID: MSV-6929.

Scores

CVSSScoreVectorSource
3.16.1 MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NCISA-ADP

Weaknesses

Affected Products

ProductVersions
MediaTek chipsetMediaTek, Inc.
  • MT2737Affected
  • MT6880Affected
  • MT6890Affected
  • MT6990Affected

References

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