CVE-2026-27221

MEDIUM
2026-03-10 [email protected]
5.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 10, 2026 - 22:16 nvd
MEDIUM 5.5

Tags

Adobe Acrobat Dc Acrobat Reader Dc Acrobat

Description

Acrobat Reader versions 24.001.30307, 24.001.30308, 25.001.21265 and earlier are affected by an Improper Certificate Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to spoof the identity of a signer. Exploitation of this issue requires user interaction.

Analysis

Improper certificate validation in Adobe Acrobat Reader DC versions 24.001.30307 and earlier allows local attackers to forge digital signatures by spoofing signer identity, bypassing security features that users rely on for document verification. This attack requires user interaction and affects multiple Adobe products including Acrobat DC. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +28
POC: 0

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CVE-2026-27221 vulnerability details – vuln.today
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