CVE-2020-1464VulnerabilityPublished 11/03/2021Updated 10/24/2026
CVE-2020-1464: Microsoft Windows Spoofing Vulnerability
Affects Microsoft WindowsSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 11/03/2021
- KEV deadline
- 05/03/2022
- EPSS
- 38.9% chance of exploitation in 30 days – higher than 98% of CVEs
What to do
CISA required action
Apply updates per vendor instructions.
Description
CVE-2020-1464 is a spoofing vulnerability in Microsoft Windows where the operating system incorrectly validates file signatures. This flaw allows attackers to bypass security features by loading improperly signed files. The vulnerability has been exploited in the wild, indicating active use by threat actors. No specific affected Windows versions are listed in the provided data.