vulnerability
Microsoft Windows: CVE-2025-49666: Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:M/C:C/I:C/A:C) | Jul 8, 2025 | Jul 8, 2025 | May 8, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:M/C:C/I:C/A:C)
Published
Jul 8, 2025
Added
Jul 8, 2025
Modified
May 8, 2026
Description
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network.
Solutions
microsoft-windows-windows_server_2016-1607-kb5062560microsoft-windows-windows_server_2019-1809-kb5062557microsoft-windows-windows_server_2022-21h2-kb5062572microsoft-windows-windows_server_2022-22h2-kb5062572microsoft-windows-windows_server_2022-23h2-kb5062570microsoft-windows-windows_server_2025-24h2-kb5062553
References
- CVE-2025-49666
- https://attackerkb.com/topics/CVE-2025-49666
- CWE-122
- EUVD-EUVD-2025-20578
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-20578
- https://support.microsoft.com/help/5062553
- https://support.microsoft.com/help/5062557
- https://support.microsoft.com/help/5062560
- https://support.microsoft.com/help/5062570
- https://support.microsoft.com/help/5062572
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.