Use After Free Vulnerability in Acrobat Reader by Adobe
CVE-2026-47921

7.8HIGH

Key Information:

Vendor

Adobe
Status
Acrobat Reader
Vendor
CVE Published:
9 June 2026

What is CVE-2026-47921?

Adobe Acrobat Reader versions 24.001.30365, 26.001.21651, and earlier are susceptible to a Use After Free vulnerability. This security flaw may allow an attacker to execute arbitrary code within the context of the current user, contingent upon user engagement in opening a malicious file. Mitigating this risk requires prompt action to update to the latest version of Acrobat Reader, ensuring users are protected from potential exploitation.

Affected Version(s)

Acrobat Reader 0 <= 26.001.21651

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

.