Summary
Impact: Spoofing. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
Is more information available about Windows Security App?
Yes, please see Stay Protected With the Windows Security App for more information.
From the Start menu, type Windows Security and hit Enter. The Windows Security App will be displayed. Click on the Settings control and then click the About link. The current version will be displayed. See that your version is greater than or equal to 1000.27840.0.0.
Security updates
1000.27840.1000.0 — https://support.microsoft.com/en-us/windows/stay-protected-with-the-windows-security-app-2ae0363d-0ada-c064-8b56-6a39afb6a963
Vulnerabilities 1
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Medium 5.5
Windows Security App Spoofing Vulnerability
External control of file name or path in Windows Security App allows an authorized attacker to perform spoofing locally.
Revision history
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#3
Updated FAQ information. This is an informational change only.
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#2
Corrected Article and Download entries in the Affected Products table. This is an informational change only.
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#1
Information published.
References
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CVE-2025-47956 Windows Security App Spoofing Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47956
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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