Adobe Acrobat and Reader: Prototype Pollution Vulnerability
What to do: Update Adobe Acrobat or Reader from Help, Check for updates.
- Affects
- Adobe Acrobat and Reader
- Identifier
- CVE-2026-34621
- What it is
- Adobe Acrobat and Reader contain a prototype pollution vulnerability that allows for arbitrary code execution.
- Official guidance
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.