Improper verification of cryptographic signature in Adobe Reader and Adobe Acrobat - CVE-2025-64786

 

Improper verification of cryptographic signature in Adobe Reader and Adobe Acrobat - CVE-2025-64786

Published: December 9, 2025


Vulnerability identifier: #VU119500
CSH Severity: Medium
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-64786
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper verification of cryptographic signature. A remote attacker can perform MitM attack 


Affected software

Adobe Reader
Adobe Acrobat

How to mitigate CVE-2025-64786

Install updates from vendor's website.

Adobe Reader - addressed in versions 20.005.30838, 25.001.20997
Adobe Acrobat - addressed in versions 20.005.30838, 24.001.30307, 24.001.30308, 25.001.20997

External References

Related Security Bulletins