Out-of-bounds write in Adobe Media Encoder - CVE-2026-48366
Published: July 15, 2026
Vulnerability identifier: #VU137643
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-2026-48366
CWE-ID: CWE-787
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 out-of-bounds write in Adobe Media Encoder when parsing input. A remote attacker can trick the victim into opening crafted content to execute arbitrary code.
User interaction is required to trigger the issue.
Affected software
Adobe Media Encoder
How to mitigate CVE-2026-48366
Install security update from vendor's website.
Adobe Media Encoder - addressed in versions 25.6.6, 26.3