CVE-2026-21321 HIGH

CVE-2026-21321: After Effects | Integer Overflow or Wraparound (CWE-190)

Vendor Adobe
Product After Effects
Weakness CWE-190
Published February 10, 2026
Last update February 26, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 10, 2026 CVE published
February 26, 2026 Record updated