CVE-2026-20501

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.

  • Published Sep 7, 2026
  • CVSS 8.4 high
  • 0.1% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-20501 at the National Vulnerability Database