VULNERABILITY INTELLIGENCE
CVE-2026-27221
CVSS score5.5 MEDIUM
EPSS probability0.11%
CISA KEVNot currently listed
Published2026-03-10
Last modified2026-08-28
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
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.
Weakness classification
- psirt@adobe.com: CWE-295
Primary references
- psirt@adobe.com — Vendor Advisory