CVE-2023-36584
Medium 5.4 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
Windows Mark of the Web Security Feature Bypass Vulnerability
Metrics
- CVSS 3.1
-
5.4 (MEDIUM)
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L - EPSS — exploit probability
- 3% (percentile: 88) as of 2 November 2026
Affected products
microsoft: windows 10 1507; microsoft: windows 10 1809; microsoft: windows 10 21h1; microsoft: windows 10 22h2; microsoft: windows 11 21h2; microsoft: windows 11 22h2; microsoft: windows server 2008; microsoft: windows server 2012; microsoft: windows server 2016; microsoft: windows server 2019; microsoft: windows server 2022
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36584 PatchVendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36584 PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023… US Government Resource