Microsoft Windows Mark of the Web (MOTW) Protection Mechanism Failure Vulnerability
Windows Mark of the Web Security Feature Bypass Vulnerability
What happened
Windows Mark of the Web Security Feature Bypass Vulnerability
CISA lists it as exploited, added 10 Sep 2024.
Does it affect you
Names Microsoft Windows Server. Enter the product and version you run to place it against the affected range the vendor published.
What to do
- Apply the vendor patch named in this advisory.
msrc.microsoft.com - Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
cisa.gov
CISA’s notes for this entry:
Affected, as published to NVD
- ms-winserver
- Microsoft Windows Server: everything below 10.0.14393.7336
The record
- NVD status
- Analyzed
- Published
- 10 Sep 2024, last modified 10 Aug 2026 (NVD)
- Severity
- CVSS 3.1 base score 5.4, Medium — computed here from the vector; NVD states 5.4.
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
- Weakness
- CWE-693 Protection Mechanism Failure (NVD; names by MITRE)
- Exploitation
- Listed in CISA’s Known Exploited Vulnerabilities catalogue since 10 Sep 2024; federal remediation due 01 Oct 2024. CISA entry
- Exploit probability
- EPSS 10.0%, 96th percentile — FIRST, scored 23 Oct 2026. FIRST EPSS
- Vendor
- Microsoft · Windows (CISA)
References on the NVD record
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38217PatchVendor Advisory
- elastic.co/security-labs/dismantling-smart-app-controlExploitThird Party Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-38217US Government Resource
Sources
The verdict above is computed from the products and versions you entered and the affected ranges the vendor published to NVD. It does not inspect your environment, and this site never reports a product as unaffected: why.