Use After Free Vulnerability in Adobe Acrobat Reader
CVE-2026-81990

7.8HIGH

Key Information:

Vendor

Adobe
Status
Adobe Acrobat
Acrobat Reader
Acrobat 2024
Vendor
CVE Published:
8 September 2026

What is CVE-2026-81990?

Adobe Acrobat Reader is vulnerable to a Use After Free issue, which enables the execution of arbitrary code in the context of the user running the application. This vulnerability necessitates user interaction, as a victim must inadvertently open a specially crafted malicious file for exploitation to occur. Proper safety measures and updates are crucial to mitigate potential risks associated with this security flaw.

Affected Version(s)

Acrobat 2024 0 <= 24.001.30383

Acrobat Reader 0 <= 26.002.21900

Adobe Acrobat 0 <= 26.002.21900

References

https://helpx.adobe.com/security/products/acrobat/apsb26-...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.