Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited, publicly disclosed before the fix — Exploitation More Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain ADMINISTRATOR privileges.
How could an attacker exploit this vulnerability?
An authenticated attacker who has credentials for another local account could run a specially crafted application to load another user's registry hive. Successful exploitation could allow the attacker to access or modify another user's data and gain administrator privileges. User interaction is not required.
Security updates
10.0.20348.5499 — https://support.microsoft.com/help/5120242
10.0.20348.5440 — https://support.microsoft.com/help/5120229
10.0.19044.7663 — https://support.microsoft.com/help/5120249
10.0.26100.33296 — https://support.microsoft.com/help/5120233
10.0.26100.33222 — https://support.microsoft.com/help/5120228
10.0.26200.9168 — https://support.microsoft.com/help/5121003
10.0.26200.9106 — https://support.microsoft.com/help/5120994
10.0.22631.7517 — https://support.microsoft.com/help/5120240
10.0.28000.2704 — https://support.microsoft.com/help/5121000
Vulnerabilities 1
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High 7.8
Windows User Profile Service Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Windows User Profile Service allows an authorized attacker to elevate privileges locally.
Revision history
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#1
Information published.
References
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CVE-2026-62832 Windows User Profile Service Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62832
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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