Vigie VulnDBEuropean-hosted Vulnerability DB

CVE-2026-27221

Acrobat Reader | Improper Certificate Validation (CWE-295)

At a glance

Severity
MEDIUM 5.5
EPSS
EPSS 0.11 % · percentile 1 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
adobe
NVD status
Analyzed

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.

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:Nadobe
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NNVD · psirt@adobe.com (Secondary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Adobe · Acrobat DCaffected 0 ≤ 25.001.21265 ; unaffected 25.001.21288
Adobe · Acrobat Reader DCaffected 0 ≤ 25.001.21265 ; unaffected 25.001.21288
Adobe · Acrobat 2024affected 0 ≤ 24.001.30307 (Win), 24.001.30308 (Mac) ; unaffected 24.001.30356

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD