CVE-2026-20501 PUBLISHED

Assigner: MediaTek
Reserved: 03.11.2025 Published: 07.09.2026 Updated: 07.09.2026

In vdec, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11262030; Issue ID: MSV-9197.

Product Status

Vendor MediaTek, Inc.
Product MediaTek chipset
Versions Default: unaffected
  • Version MT2718 is affected
  • Version MT6580 is affected
  • Version MT6739 is affected
  • Version MT6761 is affected
  • Version MT6765 is affected
  • Version MT6768 is affected
  • Version MT6769 is affected
  • Version MT6779 is affected
  • Version MT6781 is affected
  • Version MT6785 is affected
  • Version MT6789 is affected
  • Version MT6833 is affected
  • Version MT6835 is affected
  • Version MT6853 is affected
  • Version MT6855 is affected
  • Version MT6858 is affected
  • Version MT6873 is affected
  • Version MT6877 is affected
  • Version MT6878 is affected
  • Version MT6879 is affected
  • Version MT6881 is affected
  • Version MT6883 is affected
  • Version MT6885 is affected
  • Version MT6886 is affected
  • Version MT6889 is affected
  • Version MT6893 is affected
  • Version MT6895 is affected
  • Version MT6897 is affected
  • Version MT6899 is affected
  • Version MT6983 is affected
  • Version MT6985 is affected
  • Version MT6989 is affected
  • Version MT6991 is affected
  • Version MT6993 is affected
  • Version MT8126 is affected
  • Version MT8171 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 MT8799 is affected
  • Version MT8910 is affected

References

Problem Types

  • CWE-122 Heap-based Buffer Overflow CWE