Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited the vulnerability?
An attacker who successfully exploited this vulnerability could execute code in the security context of the “NT AUTHORITY\Network Service” account.
Security updates
10.0.26200.6899 — https://support.microsoft.com/help/5066835
10.0.17763.7919 — https://support.microsoft.com/help/5066586
10.0.20348.4294 — https://support.microsoft.com/help/5066782
10.0.19044.6456 — https://support.microsoft.com/help/5066791
10.0.22621.6060 — https://support.microsoft.com/help/5066793
10.0.25398.1913 — https://support.microsoft.com/help/5066780
10.0.10240.21161 — https://support.microsoft.com/help/5066837
10.0.14393.8519 — https://support.microsoft.com/help/5066836
6.0.6003.23571 — https://support.microsoft.com/help/5066874
6.0.6003.23571 — https://support.microsoft.com/help/5066877
6.1.7601.27974 — https://support.microsoft.com/help/5066872
6.1.7601.27974 — https://support.microsoft.com/help/5066876
6.2.9200.25722 — https://support.microsoft.com/help/5066875
6.3.9600.22824 — https://support.microsoft.com/help/5066873
Vulnerabilities 1
-
High 7.8
Network Connection Status Indicator (NCSI) Elevation of Privilege Vulnerability
Improper access control in Network Connection Status Indicator (NCSI) allows an authorized attacker to elevate privileges locally.
Revision history
-
#1
Information published.
References
-
CVE-2025-59201 Network Connection Status Indicator (NCSI) Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59201
-
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
-
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
-
Common Vulnerability Scoring System
https://www.first.org/cvss