CVE-2020-1464
lowpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.389 · 99 %ileEURUUSadded 2021-11-03remediate by 2022-05-03
required action Apply updates per vendor instructions.
EPSS · scored 2026-10-23
Microsoft Windows Spoofing Vulnerability
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 2.1–7.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (75)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (19)
External citations — patches, advisories, analysis.
- http://www.nsfocus.net/vulndb/48608cnnvd
- https://blog.virustotal.com/2019/01/distribution-of-malicious-jar-appended.htmlcnnvd
- https://krebsonsecurity.com/2020/08/microsoft-put-off-fixing-zero-day-for-2-years/cnnvd
- https://medium.com/%40TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98bdcnnvd
- https://medium.com/@TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98bdcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-1464cnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464cnnvd
- https://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2020-1464cnnvd
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