CVE-2026-27221
Acrobat Reader | Improper Certificate Validation (CWE-295)
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-295 |
| Vendor | adobe |
| Product | acrobat dc |
| Ecosystems | |
| Industries | TechnologyMedia |
| Published | Mar 10, 2026 |
| Last Updated | Aug 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
Adobe / Acrobat DC
0 ≤ 25.001.21265
Adobe / Acrobat Reader DC
0 ≤ 25.001.21265
Adobe / Acrobat 2024
0 ≤ 24.001.30307 (Win), 24.001.30308 (Mac)