CVE-2026-34640: Adobe Media Encoder

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Media Encoder versions 26.0.2, 25.6.4 and earlier are affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

• Adobe Media Encoder: before 25.6.5 (fixed in 25.6.5); from 26.0, before 26.2 (fixed in 26.2)

Published 2026-05-12. Last modified 2026-08-28.