VULNERABILITY INTELLIGENCE
CVE-2021-45063
CVSS score5.5 MEDIUM
EPSS probability6.22%
CISA KEVNot currently listed
Published2022-01-14
Last modified2026-06-17
Description
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event actions 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.