CVE-2021-43755: Adobe After Effects Memory Corruption could lead to Arbitrary Code Execution

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-06-15 · updated 2026-06-17
Weakness: CWE-787

Description

Adobe After Effects versions 22.0 (and earlier) and 18.4.2 (and earlier) are affected by an Out-of-bounds Write vulnerability due to insecure handling of a malicious file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

Affected products

Adobe After Effects: through 18.4.2; from 22.0 before 22.1.1 — fixed in 22.1.1

How to fix

Upgrade to a fixed version: Adobe After Effects 22.1.1. Check the vendor advisory for mitigations.

References

https://helpx.adobe.com/security/products/after_effects/apsb21-115.html
https://helpx.adobe.com/security/products/after_effects/apsb21-115.html

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