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CVE-2026-27221— Acrobat Reader | Improper Certificate Validation (CWE-295)

CVSS 5.5 · Medium EPSS 0.03% · P7
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I. Basic Information for CVE-2026-27221

Vulnerability Information
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Vulnerability Title
Acrobat Reader | Improper Certificate Validation (CWE-295)
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
证书验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Adobe Acrobat Reader 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat Reader是美国奥多比（Adobe）公司的一款PDF查看器。该软件用于打印，签名和注释 PDF。 Adobe Acrobat Reader 24.001.30307版本、24.001.30308版本、25.001.21265及之前版本存在信任管理问题漏洞，该漏洞源于证书验证不当，可能导致安全功能绕过。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
AdobeAcrobat Reader 0 ~ 25.001.21265 -

II. Public POCs for CVE-2026-27221

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III. Intelligence Information for CVE-2026-27221

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Same Patch Batch · Adobe · 2026-03-10 · 28 CVEs total

CVE-2026-213338.6 HIGHIllustrator | Untrusted Search Path (CWE-426)
CVE-2026-272717.8 HIGHIllustrator | Heap-based Buffer Overflow (CWE-122)
CVE-2026-272807.8 HIGHDNG SDK | Out-of-bounds Write (CWE-787)
CVE-2026-272697.8 HIGHPremiere Pro | Out-of-bounds Read (CWE-125)
CVE-2026-272797.8 HIGHSubstance3D - Stager | Out-of-bounds Write (CWE-787)
CVE-2026-272767.8 HIGHSubstance3D - Stager | Use After Free (CWE-416)
CVE-2026-272757.8 HIGHSubstance3D - Stager | Out-of-bounds Write (CWE-787)
CVE-2026-272737.8 HIGHSubstance3D - Stager | Out-of-bounds Write (CWE-787)
CVE-2026-272777.8 HIGHSubstance3D - Stager | Use After Free (CWE-416)
CVE-2026-272747.8 HIGHSubstance3D - Stager | Out-of-bounds Write (CWE-787)
CVE-2026-272727.8 HIGHIllustrator | Out-of-bounds Write (CWE-787)
CVE-2026-213627.8 HIGHIllustrator | Out-of-bounds Write (CWE-787)
CVE-2026-272677.8 HIGHIllustrator | Stack-based Buffer Overflow (CWE-121)
CVE-2026-272787.8 HIGHAcrobat Reader | Use After Free (CWE-416)
CVE-2026-272207.8 HIGHAcrobat Reader | Use After Free (CWE-416)
CVE-2026-272185.5 MEDIUMSubstance3D - Painter | NULL Pointer Dereference (CWE-476)
CVE-2026-272705.5 MEDIUMIllustrator | Out-of-bounds Read (CWE-125)
CVE-2026-272815.5 MEDIUMDNG SDK | Integer Overflow or Wraparound (CWE-190)
CVE-2026-272685.5 MEDIUMIllustrator | Out-of-bounds Read (CWE-125)
CVE-2026-272195.5 MEDIUMSubstance3D - Painter | Out-of-bounds Read (CWE-125)

Showing top 20 of 28 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Acrobat Reader
Same vendor: Adobe
Same weakness: CWE-295

V. Comments for CVE-2026-27221

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