CVE-2026-27221CWE-295

CVE-2026-27221

Medium · published March 11, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
3.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00151 · 3.9th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2026-03-11T02:16Z
Affected products (3)
ProductVersionsFixed in
adobe/acrobat_dc< 25.001.2128825.001.21288
adobe/acrobat_reader_dc< 25.001.2128825.001.21288
adobe/acrobat≥ 24.001.20604, < 24.001.3035624.001.30356
References (1)
https://helpx.adobe.com/security/products/acrobat/apsb26-26.html · [email protected]
EPSS history
Timeline
  • 10 MAR 21:41Z
    Acrobat Reader | Improper Certificate Validation (CWE-295)
    cvelistv5