Adobe Acrobat and Reader
YES - ON THE CISA KEV LIST
CVE-2023-21608
Adobe Acrobat and Reader Use-After-Free Vulnerability
overdue since 2023-10-31
Adobe: 83 entries (4.7% of all KEV entries are from this vendor); 7 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
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 (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes
https://helpx.adobe.com/security/products/acrobat/apsb23-01.html; https://nvd.nist.gov/vuln/detail/CVE-2023-21608
References
Other KEV entries for this vendor: Adobe
- CVE-2026-48356 - Commerce and Magento (2026-10-27)
- CVE-2026-71362 - Commerce and Magento (2026-09-24)
- CVE-2026-75650 - Commerce and Magento (2026-09-08)
- CVE-2026-48282 - ColdFusion (2026-07-07)
- CVE-2009-3459 - Acrobat and Reader (2026-05-20)
- CVE-2020-9715 - Acrobat (2026-04-13)
- CVE-2026-34621 - Acrobat and Reader (2026-04-13)
- CVE-2025-54236 - Commerce and Magento (2025-10-24)
Go deeper
KEV deadlines are a governance problem as much as a patching one. TrebSec's AI governance packs help small teams document, assign, and evidence exactly this work.
AI Governance Policy Pack - $79 AI Vendor Workbook - $49 Both packs bundled - $99