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CVE-2020-1464

79
FAUCET Score

CVE-2020-1464 is a high-severity spoofing vulnerability in Microsoft Windows that allows attackers to bypass security features by incorrectly validating file signatures, enabling the loading of improperly signed files. With a CVSS score of 7.8, this local vulnerability has a high impact on confidentiality, integrity, and availability. It is actively exploited in the wild, as confirmed by its presence in the KEV catalog, and has garnered significant community discussion and media coverage, including reports of it being known for two years prior to patching. Despite its active exploitation, no public exploit code is currently available on platforms like Metasploit, Nuclei, or ExploitDB.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
41.13%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Nov 3, 2021
This CVE's current EPSS score of 0.4113 is in the 100th percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (45)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1803 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1803 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1803 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2019
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2019 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1909 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1909 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1909 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server, version 1909 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1903 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1903 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1903 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server, version 1903 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1709 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1709 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1709 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 2004 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 2004 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 2004 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server, version 2004 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows 7 for 32-bit Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Windows 7 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Windows 8.1 for 32-bit systems
View patch
microsoftpatch availablevia msrc
Product: Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 R2 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows RT 8.1
microsoftpatch availablevia msrc
Product: Windows Server 2008 for 32-bit Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 for x64-based Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 (Server Core installation)
View patch

Vendor Advisories (1)

microsoft2020-Aug/CVE-2020-1464Important

Windows Spoofing Vulnerability

Aug 11, 2020

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
blog.virustotal.com / 2019/01/distribution-of-malicious-jar-appended.html
Third Party Advisory
krebsonsecurity.com / 2020/08/microsoft-put-off-fixing-zero-day-for-2-years
Issue TrackingThird Party Advisory
medium.com / %40TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98bd
ExploitThird Party Advisory
portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2020-1464
PatchVendor Advisory