CVE-2026-20586 PUBLISHED

Assigner: MediaTek
Reserved: 03.11.2025 Published: 05.10.2026 Updated: 05.10.2026

In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11383899; Issue ID: MSV-9614.

Product Status

Vendor MediaTek, Inc.
Product MediaTek chipset
Versions Default: unaffected
  • Version MT2718 is affected
  • Version MT6768 is affected
  • Version MT6769 is affected
  • Version MT6789 is affected
  • Version MT6833 is affected
  • Version MT6855 is affected
  • Version MT6877 is affected
  • Version MT8186 is affected
  • Version MT8188 is affected
  • Version MT8189 is affected
  • Version MT8195 is affected
  • Version MT8196 is affected
  • Version MT8367 is affected
  • Version MT8391 is affected
  • Version MT8395 is affected
  • Version MT8668 is affected
  • Version MT8676 is affected
  • Version MT8678 is affected
  • Version MT8696 is affected
  • Version MT8781 is affected
  • Version MT8788E is affected
  • Version MT8792 is affected
  • Version MT8793 is affected
  • Version MT8799 is affected
  • Version MT8910 is affected

References

Problem Types

  • CWE-787 Out-of-bounds Write CWE