CVE-2026-21321

HIGH

After Effects < 25.6.4 - Integer Overflow or Wraparound via Malicious File

Title source: llm

Description

After Effects versions 25.6 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.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://helpx.adobe.com/security/products/after_effects/apsb26-15.html

Scores

CVSS v3 7.8

EPSS 0.0021

EPSS Percentile 11.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-190

Status published

Products (1)

adobe/after_effects < 25.6.4

Published Feb 10, 2026

Tracked Since Feb 18, 2026