Use After Free Vulnerability in Acrobat Reader by Adobe
CVE-2026-79909

7.8HIGH

Key Information:

Vendor

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

What is CVE-2026-79909?

Adobe Acrobat Reader is susceptible to a Use After Free vulnerability, which could enable attackers to execute arbitrary code within the context of the current user. Successful exploitation of this vulnerability necessitates user interaction, as it requires the victim to open a specially crafted malicious PDF file. Users are urged to stay vigilant and avoid opening suspicious documents to mitigate potential risks.

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

.