Out-of-Bounds Write Vulnerability in Adobe After Effects
CVE-2026-21327

7.8HIGH

Key Information:

Vendor

Adobe
Status
After Effects
Vendor
CVE Published:
10 February 2026

What is CVE-2026-21327?

Adobe After Effects versions 25.6 and earlier are vulnerable to an out-of-bounds write vulnerability that can be exploited to execute arbitrary code in the context of the current user. This vulnerability necessitates user interaction, as the exploitation occurs when a malicious file is opened by the user. The risk underscores the importance of caution when dealing with untrusted files.

Affected Version(s)

After Effects 0 <= 25.6

References

https://helpx.adobe.com/security/products/after_effects/a...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.