Summary
Impact: Security Feature Bypass. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What kind of security feature could be bypassed by successfully exploiting this vulnerability?
This vulnerability could bypass Windows Administrator Protection, a security feature designed to prevent applications running with standard user permissions from performing actions that require administrator access. Successful exploitation could allow an attacker to run code with administrator privileges without the normal security checks.
Security updates
10.0.26200.8655 — https://support.microsoft.com/help/5094126
10.0.28000.2269 — https://support.microsoft.com/help/5095051
Vulnerabilities 1
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High 7.8
Windows Administrator Protection Secure Feature Bypass Vulnerability
Improper access control in Windows Administrator Protection allows an authorized attacker to bypass a security feature locally.
Revision history
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#1
Information published.
References
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CVE-2026-42829 Windows Administrator Protection Secure Feature Bypass Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42829
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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