CVE-2020-1464

high-risk
Published 2020-08-17

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.

Do I need to act?

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10.8% chance of exploitation in next 30 days
EPSS score — higher than 89% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (20)

Affected Vendors

Microsoft

References (9)

Third Party Advisory https://blog.virustotal.com/2019/01/distribution-of-malicious-jar-appended.html
Issue Tracking https://krebsonsecurity.com/2020/08/microsoft-put-off-fixing-zero-day-for-2-year...
Exploit https://medium.com/%40TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98...
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464
Third Party Advisory https://blog.virustotal.com/2019/01/distribution-of-malicious-jar-appended.html
Issue Tracking https://krebsonsecurity.com/2020/08/microsoft-put-off-fixing-zero-day-for-2-year...
Exploit https://medium.com/%40TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98...
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-...
62
/ 100
high-risk
Severity 24/34 · High
Exploitability 18/34 · Moderate
Exposure 20/34 · Moderate