CVE-2025-49666
HighPublished
Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability
- Published
- Jul 8, 2025
- Updated
- Feb 13, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Aug 8, 2026
Primary CVSS
7.2/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H1.4%
Low · next 30 days
- Percentile
- 72.4%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network.
Sources
- My-Sigma-Rule-CollectionDetection
Sigma Rule for CVE-2025-49666
Responsible use
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