CVE-2026-27221

5.5 mediumEPSS 0.1%

Medium (5.5) in adobe. EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 1% of CVEs (scores of 2026-10-31)
CWE: CWE-295
Published: 2026-03-10
Modified: 2026-08-28
Record from: the NVD, synced 2026-10-19

Affected

adobe:acrobat
adobe:acrobat_dc
adobe:acrobat_reader_dc

References

https://helpx.adobe.com/security/products/acrobat/apsb26-26.html

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