vulnerability
Microsoft Windows: CVE-2025-26634: Windows Core Messaging Elevation of Privileges Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:S/C:C/I:C/A:C) | May 13, 2025 | May 13, 2025 | May 8, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:S/C:C/I:C/A:C)
Published
May 13, 2025
Added
May 13, 2025
Modified
May 8, 2026
Description
Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges over a network.
Solutions
microsoft-windows-windows_10-1507-kb5052040microsoft-windows-windows_10-1607-kb5052006microsoft-windows-windows_10-1809-kb5052000microsoft-windows-windows_10-21h2-kb5051974microsoft-windows-windows_10-22h2-kb5051974microsoft-windows-windows_11-22h2-kb5051989microsoft-windows-windows_11-23h2-kb5051989microsoft-windows-windows_11-24h2-kb5051987microsoft-windows-windows_server_2016-1607-kb5052006microsoft-windows-windows_server_2019-1809-kb5052000microsoft-windows-windows_server_2022-21h2-kb5051979microsoft-windows-windows_server_2022-22h2-kb5051979microsoft-windows-windows_server_2022-23h2-kb5051980microsoft-windows-windows_server_2025-24h2-kb5051987
References
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.