Integer overflow in Adobe Media Encoder - CVE-2026-34640
Published: May 25, 2026
Vulnerability identifier: #VU132239
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-34640
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to integer overflow or wraparound in Adobe Media Encoder when processing crafted content. A remote attacker can trick the victim into opening crafted content to execute arbitrary code.
User interaction is required to open crafted content.
Affected software
Adobe Media Encoder
How to mitigate CVE-2026-34640
Install security update from vendor's website.
Adobe Media Encoder - addressed in versions 24.6.5, 26.2