Use After Free Vulnerability in Acrobat Reader by Adobe
CVE-2026-81989

7.8HIGH

Key Information:

Vendor

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

What is CVE-2026-81989?

Adobe Acrobat Reader is susceptible to a Use After Free vulnerability that can lead to arbitrary code execution within the user's context. Successful exploitation necessitates user intervention, as the victim must open a specially crafted malicious file. It is critical for users to remain vigilant and avoid opening unverified documents to mitigate the risk of this vulnerability.

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

.