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TI-2025-40118 Aliases CVE-2025-64787GHSA-636h-73hj-chgr

Acrobat Reader | Improper Verification of Cryptographic Signature (CWE-347)

Priority LOW 16CWE-347Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-347.

Summary

Acrobat Reader versions 24.001.30264, 20.005.30793, 25.001.20982, 24.001.30273, 20.005.30803 and earlier are affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass cryptographic protections and gain limited unauthorized write access. Exploitation of this issue requires user interaction with a cryptographic signature.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00445 38th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AdobeAcrobat Readerup to 20.005.30803—No fix listedCNA
  • Acrobat Reader VendorAdobe Affected up to 20.005.30803 Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*20.001.3005 to before 20.005.30838VulnerableAdobe
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*before 25.001.20997VulnerableAdobe
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*20.001.3005 to before 20.005.30838VulnerableAdobe
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*before 25.001.20997VulnerableAdobe
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*24.001.20604 to before 24.001.30307VulnerableAdobe
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*24.001.20604 to before 24.001.30308VulnerableAdobe
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
  • cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* Versions 20.001.3005 to before 20.005.30838 Vulnerable ·Adobe
  • cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* Versions before 25.001.20997 Vulnerable ·Adobe
  • cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* Versions 20.001.3005 to before 20.005.30838 Vulnerable ·Adobe
  • cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* Versions before 25.001.20997 Vulnerable ·Adobe
  • cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* Versions 24.001.20604 to before 24.001.30307 Vulnerable ·Adobe
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* Versions 24.001.20604 to before 24.001.30308 Vulnerable ·Adobe
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Adobe Acrobat Reader — helpx.adobe.com/security/products/acrobat/apsb25-119.html

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2025-40174 Acrobat Reader | Out-of-bounds Read (CWE-125)Priority LOW 37
    • TI-2025-40116 Acrobat Reader | Untrusted Search Path (CWE-426)Priority LOW 37
    • TI-2025-40117 Acrobat Reader | Improper Verification of Cryptographic Signature (CWE-347)Priority LOW 16
    Show all 4 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-64787
  2. 2026-10-03 Alias added: GHSA-636h-73hj-chgr

References

Advisory 1

  • TI-2014-00524 Adobe Reader and Acrobat 10.x before 10.1.11 and 11.x before 11.0.08 on Windows allow… KEVCVSS 3.1CRITICAL 9.8
  • TI-2013-02915 Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03… KEVCVSS 3.1CRITICAL 9.8
  • TI-2013-02389 Integer overflow in Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and… KEVCVSS 3.1CRITICAL 9.8
  • TI-2011-02156 Unspecified vulnerability in the U3D component in Adobe Reader and Acrobat 10.1.1 and… KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-09626 Adobe Acrobat Reader use after free vulnerability could lead to arbitrary code execution KEVCVSS 3.1HIGH 8.8
  • TI-2021-04123 Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution KEVCVSS 3.1HIGH 8.8
See all 1413 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences