Out-of-Bounds Read Vulnerability in Adobe After Effects
CVE-2026-21322

7.8HIGH

Key Information:

Vendor

Adobe
Status
After Effects
Vendor
CVE Published:
10 February 2026

What is CVE-2026-21322?

Adobe After Effects, specifically version 25.6 and earlier, exhibits a vulnerability that allows for out-of-bounds read errors during the parsing of specially crafted files. This flaw can lead to unauthorized code execution within the context of the affected user session. For exploitation to occur, a victim must unintentionally open a malicious file crafted by an attacker, thus initiating the attack. This vector emphasizes the necessity for users to exercise caution when handling unsolicited files.

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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

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