๐Ÿ” CVE Alert

CVE-2026-27221

MEDIUM 5.5

Acrobat Reader | Improper Certificate Validation (CWE-295)

CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-295
Vendor adobe
Product acrobat reader
Ecosystems
Industries
TechnologyMedia
Published Mar 10, 2026
Last Updated Mar 11, 2026
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CVSS v3 Breakdown

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

Affected Versions

Adobe / Acrobat Reader
0 โ‰ค 25.001.21265

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
helpx.adobe.com: https://helpx.adobe.com/security/products/acrobat/apsb26-26.html