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CVE-2023-21608

CISA KEV

Published October 10, 2023 · Updated April 3, 2026

high
Official Description+

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

Affected Products

VendorProduct
AdobeAcrobat and Reader

Patch Status

Patch by 2023-10-31

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2023-21608.