CVE-2021-40780: Adobe Media Encoder MXF 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: 2.0% 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 Media Encoder version 15.4.1 (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 Media Encoder: through 15.4.1

References

https://helpx.adobe.com/security/products/media-encoder/apsb21-99.html
https://helpx.adobe.com/security/products/media-encoder/apsb21-99.html

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