Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.
Details
According to the CVSS metric, privileges required is high (PR:H). What does that mean for this vulnerability?
To successfully exploit this vulnerability, an attacker or the targeted user would need to achieve a high level of control over a machine, as the attack requires access to processes typically restricted from average users.
Essentially, the exploitation necessitates elevated privileges on the compromised machine due to the requirement of manipulating processes beyond the reach of standard user permissions.
Security updates
10.0.17763.7558 — https://support.microsoft.com/help/5062557
10.0.20348.3932 — https://support.microsoft.com/help/5062572
10.0.26100.4652 — https://support.microsoft.com/help/5062553
10.0.25398.1732 — https://support.microsoft.com/help/5062570
10.0.14393.8246 — https://support.microsoft.com/help/5062560
Vulnerabilities 1
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High 7.2CVE-2025-49666 Public exploit
Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network.
Revision history
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#1
Information published.
References
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CVE-2025-49666 Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49666
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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