VulnerabilityModified
CVE-2021-40455
Windows Installer Spoofing Vulnerability
MEDIUM 5.5EPSS 0.56%
Does this matter?
Lower severity and a low EPSS score (0.56%). Track it; it rarely justifies an emergency change on its own.
Description
Windows Installer Spoofing Vulnerability
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.56% probability · 45th percentile
- CISA KEV
- Not listed
- Affected
- microsoft/windows 10 · microsoft/windows 11 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022
- Source
- secure@microsoft.com
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40455Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40455Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.