VULNERABILITY INTELLIGENCE
CVE-2020-1464
CVSS score7.8 HIGH
EPSS probability38.95%
CISA KEVKnown exploited vulnerability
Published2020-08-17
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Known Exploited Vulnerability
Microsoft Windows Spoofing Vulnerability
Vendor / product: Microsoft / Windows
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.
Weakness classification
- CWE-347: Improper Verification of Cryptographic Signature
Primary references
- secure@microsoft.com — Third Party Advisory
- secure@microsoft.com — Issue Tracking, Third Party Advisory
- secure@microsoft.com — Exploit, Third Party Advisory
- secure@microsoft.com — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource