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CVE-2020-1464

Severity
HIGH
CVSS
7.8
EPSS
0.41131
Risk score
70.6
CISA KEV
Yes
PoC
No
Published
2020-08-17
Modified
2025-10-21
First seen
2026-08-07
Aliases
EUVD-2020-12339, GHSA-75G4-7255-WXGC
Products
Microsoft:Windows, Microsoft:Windows 10 Version 1507 10.0.0 <publication, Microsoft:Windows 10 Version 1607 10.0.0 <publication, Microsoft:Windows 10 Version 1709 10.0.0 <publication, Microsoft:Windows 10 Version 1709 for 32-bit Systems 10.0.0 <publication, Microsoft:Windows 10 Version 1803 10.0.0 <publication, Microsoft:Windows 10 Version 1809 10.0.0 <publication, Microsoft:Windows 10 Version 1903 for 32-bit Systems 10.0.0 <publication, Microsoft:Windows 10 Version 1903 for ARM64-based Systems 10.0.0 <publication, Microsoft:Windows 10 Version 1903 for x64-based Systems 10.0.0 <publication, Microsoft:Windows 10 Version 1909 10.0.0 <publication, Microsoft:Windows 10 Version 2004 10.0.0 <publication, Microsoft:Windows 7 6.1.0 <publication, Microsoft:Windows 7 Service Pack 1 6.1.0 <publication, Microsoft:Windows 8.1 6.3.0 <publication, Microsoft:Windows Server 2008 Service Pack 2 6.0.0 <publication, Microsoft:Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.0.0 <publication, Microsoft:Windows Server 2008 R2 Service Pack 1 6.1.0 <publication, Microsoft:Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.0 <publication, Microsoft:Windows Server 2008 Service Pack 2 6.0.0 <publication, Microsoft:Windows Server 2012 (Server Core installation) 6.2.0 <publication, Microsoft:Windows Server 2012 6.2.0 <publication, Microsoft:Windows Server 2012 R2 (Server Core installation) 6.3.0 <publication, Microsoft:Windows Server 2012 R2 6.3.0 <publication, Microsoft:Windows Server 2016 (Server Core installation) 10.0.0 <publication, Microsoft:Windows Server 2016 10.0.0 <publication, Microsoft:Windows Server 2019 (Server Core installation) 10.0.0 <publication, Microsoft:Windows Server 2019 10.0.0 <publication, Microsoft:Windows Server version 2004 10.0.0 <publication, Microsoft:Windows Server, version 1903 (Server Core installation) 10.0.0 <publication, Microsoft:Windows Server, version 1909 (Server Core installation) 10.0.0 <publication
Sources
cisa.gov CVE-2020-1464
euvd EUVD-2020-12339

Description

A spoofing vulnerability exists when Windows incorrectly validates file signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed files. In an attack scenario, an attacker could bypass security features intended to prevent improperly signed files from being loaded. The update addresses the vulnerability by correcting how Windows validates file signatures.

References