Adobe Acrobat and Reader Out-of-Bounds Write Vulnerability

Added to KEV
2023-09-14
Federal due date
2023-10-05
Vendor
Adobe
Product
Acrobat and Reader
EPSS
74.1th percentile (score 0.008, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2023-26369

CISA short description

Adobe Acrobat and Reader contains an out-of-bounds write vulnerability that allows for code execution.

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.