CVE-2021-40787: Adobe Premiere Elements M4A file memory corruption vulnerability could lead to arbitrary code execution

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-03-16 · updated 2026-06-17
Weakness: CWE-788

Description

Adobe Premiere Elements 20210809.daily.2242976 (and earlier) is affected by a memory corruption 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 Premiere Elements: before 2021.4 — fixed in 2021.4

How to fix

Upgrade to a fixed version: Adobe Premiere Elements 2021.4. Check the vendor advisory for mitigations.

References

https://helpx.adobe.com/security/products/premiere_elements/apsb21-106.html
https://helpx.adobe.com/security/products/premiere_elements/apsb21-106.html

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