Adobe Acrobat and Reader Use-After-Free Vulnerability

Added to KEV
2023-10-10
Federal due date
2023-10-31
Vendor
Adobe
Product
Acrobat and Reader
EPSS
99.0th percentile (score 0.775, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2023-21608

CISA short description

Adobe Acrobat and Reader contains a use-after-free vulnerability that allows for code execution in the context of the current user.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.