PT-2026-40171 · Adobe · Media Encoder

Published 2026-05-12 · Updated 2026-05-12 · CVE-2026-34639

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Media Encoder versions prior to 26.0.3 Media Encoder versions prior to 25.6.5

Description An out-of-bounds write issue exists where the software writes data past the end of the intended buffer. This could allow arbitrary code execution in the context of the current user, provided the victim opens a malicious file.

Recommendations Update to a version newer than 26.0.2. Update to a version newer than 25.6.4.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2026-06884

CVE-2026-34639

Affected Products

Media Encoder

References · 4

• https://helpx.adobe.com/security/products/media-encoder/apsb26-47.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-06884 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-34639 · Security Note
• https://twitter.com/CVEnew/status/2054340995139965151 · Twitter Post