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Medium severity5.5NVD Advisory· Published Mar 10, 2026· Updated Jun 17, 2026

CVE-2026-27221

CVE-2026-27221

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.

Affected products

5
  • Adobe Inc./Acrobat4 versions
    cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*+ 3 more
    • cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*range: >=24.001.20604,<24.001.30356
    • cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*range: <25.001.21288
    • (no CPE)range: <=24.001.30308, <=25.001.21265
    • (no CPE)range: 0
  • Adobe Inc./Acrobat Reader Dc
    cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
    Range: <25.001.21288

Patches

Vulnerability mechanics

References

1

News mentions

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