CVE-2026-21327

After Effects | Out-of-bounds Write (CWE-787)

Published Feb 10, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
After Effects versions 25.6 and earlier are affected by an out-of-bounds write 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Microsoft
Microsoft windows
CPEs cpe:2.3:a:adobe:after_effects:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Microsoft
Microsoft windows
Type Values Removed Values Added
First Time appeared Adobe
Adobe after Effects
Vendors & Products Adobe
Adobe after Effects
Type Values Removed Values Added
Description After Effects versions 25.6 and earlier are affected by an out-of-bounds write 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.
Title After Effects | Out-of-bounds Write (CWE-787)
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
adobe
Published
Updated
Aug 27, 2026, 10:02 PM
Reserved
Dec 12, 2025, 10:01 PM
Status
Analyzed
Published
Feb 10, 2026, 6:16 PM
Modified
Aug 28, 2026, 12:16 AM