Adobe Character Animator Memory Corruption could lead to Arbitrary code execution

published 2022-03-16 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27928

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.7%; EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits: 0; none known

Adobe Character Animator version 4.4 (and earlier) is affected by a memory corruption vulnerability when parsing a WAF 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

1.65% chance of exploitation in the next 30 days, higher than 76% 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	2.0	9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

Adobe Character Animator (Preview 4)

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/character_animator/apsb21-95.html
vendor-advisory

Sources

CVE List CVE-2021-40763
NVD CVE-2021-40763

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Summary