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 Se…

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Mar 10, 2026 · NIST NVD

   Detected

   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.

2. Aug 28, 2026 · NIST NVD

   Updated

   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.

Affected

• cpe adobe/acrobatversion unspecified
• cpe adobe/acrobat dcversion unspecified
• cpe adobe/acrobat reader dcversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-27221

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-27221

  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. Exploitat

  nvd.nist.gov

References

• Vendor Advisory · helpx.adobe.com