CVE-2025-49666

Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability

Published Jul 8, 2025 CVSS 3.1 · 7.2 High EPSS 1.4% KEV · Not listed
Description
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-20578 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network.
History
Type Values Removed Values Added
First Time appeared Microsoft windows Server 23h2
CPEs cpe:2.3:o:microsoft:windows_server_23h2:*:*:*:*:*:*:*:*
Vendors & Products Microsoft windows Server 23h2
Type Values Removed Values Added
Metrics epss

{'score': 0.00092}

epss

{'score': 0.00097}

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows Server 2016
Microsoft windows Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2022 23h2
Microsoft windows Server 2025
CPEs cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows Server 2016
Microsoft windows Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2022 23h2
Microsoft windows Server 2025
Type Values Removed Values Added
Metrics epss

{'score': 0.00071}

epss

{'score': 0.00092}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network.
Title Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability
Weaknesses CWE-122
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}