ACTIVELY EXPLOITED

CVE-2023-21608: Adobe Acrobat and Reader Use-After-Free Vulnerability

Facts
VendorAdobe
ProductAcrobat and Reader
Actively exploitedYes
Added to CISA KEV10 Oct 2023
CISA federal deadline31 Oct 2023
Weakness (CWE)CWE-416

Required action (CISA's text)

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

Description (NVD)

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

SOURCES

Other Adobe flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.