Acrobat Reader 25.001.20982 Improper Signature Verify - Write Access Bypass
CVE-2025-64786 Published on December 9, 2025
Acrobat Reader | Improper Verification of Cryptographic Signature (CWE-347)
Acrobat Reader versions 24.001.30264, 20.005.30793, 25.001.20982, 24.001.30273, 20.005.30803 and earlier are affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to gain limited unauthorized write access. Exploitation of this issue does not require user interaction.
Vulnerability Analysis
CVE-2025-64786 is exploitable with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
Improper Verification of Cryptographic Signature
The software does not verify, or incorrectly verifies, the cryptographic signature for data.
Products Associated with CVE-2025-64786
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Affected Versions
Adobe Acrobat Reader:- Before and including 20.005.30803 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.