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Vulnerabilities

Vulnerability · CVE-2023-36584

Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability

Published Oct 10, 2023 · catalog updated Jun 16, 2026 · Microsoft Windows

Patch now

CVE-2023-36584 is in the CISA known-exploited catalog, due Dec 7, 2023. Confirm Microsoft Windows against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Medium5.4
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
3.25%
Remediation
Remediation guidance
Affected products
cpe microsoft/windows 10 1507 · cpe microsoft/windows 10 1809 · cpe microsoft/windows 10 21h1 · vendor Microsoft Windows

Microsoft Windows Mark of the Web (MOTW) contains a security feature bypass vulnerability resulting in a limited loss of integrity and availability of security features.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/windows 10 1507version unspecified
  • cpe microsoft/windows 10 1809version unspecified
  • cpe microsoft/windows 10 21h1version unspecified
  • vendor Microsoft Windowsversion unspecified

How to fix CVE-2023-36584

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-36584 is in the CISA known-exploited catalog, due Dec 7, 2023. Confirm Microsoft Windows against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 3.25%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 10, 2023 · Catalog

    Detected

    Microsoft Windows Mark of the Web (MOTW) contains a security feature bypass vulnerability resulting in a limited loss of integrity and availability of security features.

  2. Nov 16, 2023 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. Dec 7, 2023 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. Jun 16, 2026 · Catalog

    Updated

    Microsoft Windows Mark of the Web (MOTW) contains a security feature bypass vulnerability resulting in a limited loss of integrity and availability of security features.

Sources

  • CISA KEVConfirmed exploitationCVE-2023-36584

    Microsoft Windows Mark of the Web (MOTW) contains a security feature bypass vulnerability resulting in a limited loss of integrity and availability of security features.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2023-36584

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-36584

    30-day exploitation probability 3.3%

    first.org
  • NIST NVDVulnerability recordCVE-2023-36584

    Windows Mark of the Web Security Feature Bypass Vulnerability

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2023-36584

    Microsoft Windows Mark of the Web (MOTW) contains a security feature bypass vulnerability resulting in a limited loss of integrity and availability of security features.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.