CVE-2023-36584: Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability

CVE-2023-36584 · Severity: critical · CVSS 5.4 · Exploited in the wild · Published 2023-11-16

Microsoft Windows Mark of the Web (MOTW) contains a security feature bypass vulnerability that allows an attacker to circumvent security restrictions. The flaw results in a limited loss of integrity and availability of security features when a user interacts with malicious content.

Technologies: Microsoft Windows. Vendors: Microsoft.

Quick answers

Is CVE-2023-36584 exploited in the wild?
Yes. CVE-2023-36584 is known to be exploited in the wild, first recorded on 16 November 2023. Treat it as urgent.
How severe is CVE-2023-36584?
Critical severity, with a CVSS score of 5.4, published 16 November 2023.
Which products and versions are affected?
Microsoft Windows 10 1507, 1809, 21H1, 22H2; Microsoft Windows 11 21H2, 22H2; Microsoft Windows Server 2008, 2008 R2, 2012, 2012 R2, 2016, 2019.
Is there a fix for CVE-2023-36584?
A patch was published on 2023-11-16. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2023-36584 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2023-36584?
Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Windows 10 1507, 1809, 21H1, 22H2
  • Microsoft Windows 11 21H2, 22H2
  • Microsoft Windows Server 2008, 2008 R2, 2012, 2012 R2, 2016, 2019

Timeline

  • 2023-11-16: disclosed
  • 2023-11-16: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2023-11-16: patched

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