Unrated severityNVD Advisory· Published Mar 10, 2026· Updated Mar 11, 2026
Acrobat Reader | Improper Certificate Validation (CWE-295)
CVE-2026-27221
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.
Affected products
2<=24.001.30307, 24.001.30308, 25.001.21265+ 1 more
- (no CPE)range: <=24.001.30307, 24.001.30308, 25.001.21265
- (no CPE)range: 0
Patches
Vulnerability mechanics
References
1- helpx.adobe.com/security/products/acrobat/apsb26-26.htmlmitrevendor-advisory
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