CVE-2021-40766

Name: CVE-2021-40766
Creator: NVD / NIST
Published: 2022-03-16T15:15:13.443+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 1.13%

Last modified Jun 17, 2026

CVE-2021-40766 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. Adobe Character Animator version 4.4 (and earlier versions) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. EPSS estimates a 1.13% chance of exploitation in the next 30 days.

Description

Adobe Character Animator version 4.4 (and earlier versions) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Metrics

CVSS 3.1

3.3/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS Probability

1.13%

62.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Adobe	Character Animator	<= 4.4

References

https://helpx.adobe.com/security/products/character_animator/apsb21-95.htmlVendor Advisory
https://helpx.adobe.com/security/products/character_animator/apsb21-95.htmlVendor Advisory

Timeline

Published: Mar 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40766?

How severe is CVE-2021-40766?

CVE-2021-40766 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40766?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40766?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST