CVE-2020-1464

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.

• CWE-347
• CWE-347

• https://blog.virustotal.com/2019/01/distribution-of-malicious-jar-appended.htmlThird Party Advisory
• https://krebsonsecurity.com/2020/08/microsoft-put-off-fixing-zero-day-for-2-years/Issue Tracking, Third Party Advisory
• https://medium.com/%40TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98bdExploit, Third Party Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464Patch, Vendor Advisory
• https://blog.virustotal.com/2019/01/distribution-of-malicious-jar-appended.htmlThird Party Advisory
• https://krebsonsecurity.com/2020/08/microsoft-put-off-fixing-zero-day-for-2-years/Issue Tracking, Third Party Advisory
• https://medium.com/%40TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98bdExploit, Third Party Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464Patch, Vendor Advisory
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1464US Government Resource

Published

Aug 17, 2020

Last Modified

Jun 17, 2026

Status

Analyzed