Summary
Impact: Security Feature Bypass. Microsoft rating: Important. Not known to be exploited — Exploitation More Likely. Customer action: Required.
Details
How could an attacker exploit the vulnerability?
In a web-based attack scenario, an attacker could host a malicious website that is designed to exploit the security feature bypass., In an email or instant message attack scenario, the attacker could send the targeted user a specially crafted .url file that is designed to exploit the bypass., Compromised websites or websites that accept or host user-provided content could contain specially crafted content to exploit the security feature bypass.
In all cases an attacker would have no way to force a user to view attacker-controlled content. Instead, an attacker would have to convince a user to take action. For example, an attacker could entice a user to either click a link that directs the user to the attacker's site or send a malicious attachment.
Please see Additional information about Mark of the Web for further clarification
What kind of security feature could be bypassed by successfully exploiting this vulnerability?
An attacker who successfully exploited the vulnerability could evade Mark of the Web (MOTW) defenses.
Security updates
10.0.17763.7009 — https://support.microsoft.com/help/5053596
10.0.20348.3328 — https://support.microsoft.com/help/5053603
10.0.20348.3270 — https://support.microsoft.com/help/5053638
10.0.19044.5608 — https://support.microsoft.com/help/5053606
10.0.22621.5039 — https://support.microsoft.com/help/5053602
10.0.26100.3476 — https://support.microsoft.com/help/5053598
10.0.26100.3403 — https://support.microsoft.com/help/5053636
10.0.25398.1486 — https://support.microsoft.com/help/5053599
10.0.10240.20947 — https://support.microsoft.com/help/5053618
10.0.14393.7876 — https://support.microsoft.com/help/5053594
Vulnerabilities 1
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High 7.8
Windows Mark of the Web Security Feature Bypass Vulnerability
Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security feature locally.
Revision history
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#1
Information published.
References
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CVE-2025-24061 Windows Mark of the Web Security Feature Bypass Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24061
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss