CVE-2026-20477

Summary

In display, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11009963; Issue ID: MSV-7658.

Affected Software

VendorProductVersion RangeStatus
MediaTek, Inc.MediaTek chipsetMT6991affected
MediaTek, Inc.MediaTek chipsetMT6993affected
MediaTek, Inc.MediaTek chipsetMT8188affected
MediaTek, Inc.MediaTek chipsetMT8189affected
MediaTek, Inc.MediaTek chipsetMT8668affected
MediaTek, Inc.MediaTek chipsetMT8676affected
MediaTek, Inc.MediaTek chipsetMT8678affected
MediaTek, Inc.MediaTek chipsetMT8781affected
MediaTek, Inc.MediaTek chipsetMT8799affected
MediaTek, Inc.MediaTek chipsetMT8910affected

Weaknesses

  • CWE-787: CWE-787 Out-of-bounds Write

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References