vulnerability
Microsoft Windows: CVE-2025-26647: Windows Kerberos Elevation of Privilege Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:L/Au:S/C:C/I:C/A:C) | Apr 8, 2025 | Apr 8, 2025 | Sep 16, 2025 |
Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
Apr 8, 2025
Added
Apr 8, 2025
Modified
Sep 16, 2025
Description
Improper input validation in Windows Kerberos allows an unauthorized attacker to elevate privileges over a network.
Solutions
microsoft-windows-windows_server_2012-kb5055581microsoft-windows-windows_server_2012_r2-kb5055557microsoft-windows-windows_server_2016-1607-kb5055521microsoft-windows-windows_server_2019-1809-kb5055519microsoft-windows-windows_server_2022-21h2-kb5055526microsoft-windows-windows_server_2022-22h2-kb5055526microsoft-windows-windows_server_2022-23h2-kb5055527microsoft-windows-windows_server_2025-24h2-kb5055523
References
- CVE-2025-26647
- https://attackerkb.com/topics/CVE-2025-26647
- CWE-20
- https://support.microsoft.com/help/5055519
- https://support.microsoft.com/help/5055521
- https://support.microsoft.com/help/5055523
- https://support.microsoft.com/help/5055526
- https://support.microsoft.com/help/5055527
- https://support.microsoft.com/help/5055557
- https://support.microsoft.com/help/5055581
Rapid7 Labs
2026 Global Threat Landscape Report
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