HIGH KEV
Windows Spoofing Vulnerability
Published Aug 17, 2020 ·Due May 3, 2022
7.8
HIGHCVSS 3.1
EPSS 38.95%
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.
Affected products
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 6.1.0StatusaffectedConstraints<publication
- Version
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- Version 6.1.0StatusaffectedConstraints<publication
- Version
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- Version 6.3.0StatusaffectedConstraints<publication
- Version
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- Version 6.0.0StatusaffectedConstraints<publication
- Version
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- Version 6.1.0StatusaffectedConstraints<publication
- Version
- Vendor Microsoft Product Windows Server 2008 R2 Service Pack 1 (Server Core installation) Defaultn/a
- Version 6.0.0StatusaffectedConstraints<publication
- Version
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- Version 6.0.0StatusaffectedConstraints<publication
- Version
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- Version 6.0.0StatusaffectedConstraints<publication
- Version
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- Version 6.2.0StatusaffectedConstraints<publication
- Version
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- Version 6.2.0StatusaffectedConstraints<publication
- Version
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- Version 6.3.0StatusaffectedConstraints<publication
- Version
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- Version 6.3.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| Microsoft | Windows 10 Version 1507 | n/a |
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| Microsoft | Windows 10 Version 1607 | n/a |
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| Microsoft | Windows 10 Version 1709 | n/a |
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| Microsoft | Windows 10 Version 1709 for 32-bit Systems | n/a |
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| Microsoft | Windows 10 Version 1803 | n/a |
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| Microsoft | Windows 10 Version 1809 | n/a |
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| Microsoft | Windows 10 Version 1903 for 32-bit Systems | n/a |
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| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | n/a |
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| Microsoft | Windows 10 Version 1903 for x64-based Systems | n/a |
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| Microsoft | Windows 10 Version 1909 | n/a |
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| Microsoft | Windows 10 Version 2004 | n/a |
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| Microsoft | Windows 7 | n/a |
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| Microsoft | Windows 7 Service Pack 1 | n/a |
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| Microsoft | Windows 8.1 | n/a |
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| Microsoft | Windows Server 2008 Service Pack 2 | n/a |
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| Microsoft | Windows Server 2008 R2 Service Pack 1 | n/a |
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| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | n/a |
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| Microsoft | Windows Server 2008 Service Pack 2 | n/a |
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| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | n/a |
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| Microsoft | Windows Server 2012 | n/a |
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| Microsoft | Windows Server 2012 (Server Core installation) | n/a |
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| Microsoft | Windows Server 2012 R2 | n/a |
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| Microsoft | Windows Server 2012 R2 (Server Core installation) | n/a |
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| Microsoft | Windows Server 2016 | n/a |
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| Microsoft | Windows Server 2016 (Server Core installation) | n/a |
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| Microsoft | Windows Server 2019 | n/a |
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| Microsoft | Windows Server 2019 (Server Core installation) | n/a |
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| Microsoft | Windows Server version 2004 | n/a |
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| Microsoft | Windows Server, version 1903 (Server Core installation) | n/a |
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| Microsoft | Windows Server, version 1909 (Server Core installation) | n/a |
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OR
- n/a
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- n/a
- r2
- n/a
- r2
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (6)
- https://blog.virustotal.com/2019/01/distribution-of-malicious-jar-appended.html x_refsource_MISCThird Party Advisory
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-12339 Advisory
- https://krebsonsecurity.com/2020/08/microsoft-put-off-fixing-zero-day-for-2-years/ x_refsource_MISCIssue TrackingThird Party Advisory
- https://medium.com/%40TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98bd x_refsource_MISCExploitThird Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464 x_refsource_MISCPatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1464 government-resourceUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| https://blog.virustotal.com/2019/01/distribution-of-malicious-jar-appended.html | x_refsource_MISCThird Party Advisory | |
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-12339 | Advisory | |
| https://krebsonsecurity.com/2020/08/microsoft-put-off-fixing-zero-day-for-2-years/ | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://medium.com/%40TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98bd | x_refsource_MISCExploitThird Party Advisory | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464 | x_refsource_MISCPatchVendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1464 | government-resourceUS Government Resource |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Aug 17, 2020
Updated Oct 21, 2025
Reserved Nov 4, 2019
Link CVE-2020-1464
CISA Vulnrichment
Updated Feb 4, 2025
ENISA EUVD
EUVD-2020-12339 Assigner microsoft
Published Aug 17, 2020
Updated Oct 21, 2025
Exploited since Nov 3, 2021
Link EUVD-2020-12339