Adobe Media Encoder WAV file memory corruption vulnerability could lead to arbitrary code execution

published 2022-03-16 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27944

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.0%; EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 18 mo ago (2025-04-23)

Exploit prediction

2.01% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

Adobe Media Encoder

Classification

Weakness

CWE-788 Access of Memory Location After End of Buffer
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

helpx.adobe.com /security/products/media-encoder/apsb21-99.html
vendor-advisory

Sources

CVE List CVE-2021-40779
NVD CVE-2021-40779

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Summary