CVE DATABASE / CVE-2023-36584
CVE-2023-36584
Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability
CVSS 5.4 · MEDIUM
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2023-11-16.
Federal remediation due 2023-12-07.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Summary
Windows Mark of the Web Security Feature Bypass Vulnerability
CVSS 3.1 breakdown
| Base score | 5.4 (MEDIUM) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity | LOW |
| Availability | LOW |
Affected products
Microsoft windows 10 1507Microsoft windows 10 1809Microsoft windows 10 21h1Microsoft windows 10 22h2Microsoft windows 11 21h2Microsoft windows 11 22h2Microsoft windows server 2008Microsoft windows server 2012Microsoft windows server 2016Microsoft windows server 2019Microsoft windows server 2022
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References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36584
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36584
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-28. Always verify against the vendor advisory before acting.