Overview
- 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.
- Source
- secure@microsoft.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.8
- Impact score
- 5.9
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 2.1
- Impact score
- 2.9
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:N/I:P/A:N
Known exploits
Data from CISA
- Vulnerability name
- Microsoft Windows Spoofing Vulnerability
- Exploit added on
- Nov 3, 2021
- Exploit action due
- May 3, 2022
- Required action
- Apply updates per vendor instructions.
Weaknesses
- nvd@nist.gov
- CWE-347
Social media
- Hype score
- Not currently trending
Configurations
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