Detections
Analytics
KB5089549: Windows 11 Version 24H2 / Windows 11 Version 25H2 Security Update (May 2026)
critical Nessus Plugin ID 314341
Synopsis
The remote Windows host is affected by multiple vulnerabilities.Description
The remote Windows host is missing security update 5089549 or hotpatch 5089466. It is, therefore, affected by multiple vulnerabilities- Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network. (CVE-2026-41096)
- Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally.
(CVE-2026-40403)
- Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over an adjacent network. (CVE-2026-34329)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Apply Security Update 5089549 or hotpatch 5089466See Also
Plugin Details
Severity: Critical
ID: 314341
File Name: smb_nt_ms26_may_5089549.nasl
Version: 1.1
Type: Local
Agent: windows
Family: Windows : Microsoft Bulletins
Published: 5/12/2026
Updated: 5/12/2026
Supported Sensors: Nessus Agent, Nessus
Risk Information
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-41096
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:microsoft:windows_11_25h2, cpe:/o:microsoft:windows_11_24h2
Required KB Items: SMB/MS_Bulletin_Checks/Possible
Exploit Ease: No known exploits are available
Patch Publication Date: 5/12/2026
Vulnerability Publication Date: 5/12/2026
Reference Information
CVE: CVE-2025-54518, CVE-2026-21530, CVE-2026-32161, CVE-2026-32170, CVE-2026-32209, CVE-2026-33834, CVE-2026-33835, CVE-2026-33837, CVE-2026-33838, CVE-2026-33839, CVE-2026-33840, CVE-2026-33841, CVE-2026-34329, CVE-2026-34330, CVE-2026-34331, CVE-2026-34333, CVE-2026-34334, CVE-2026-34336, CVE-2026-34337, CVE-2026-34338, CVE-2026-34339, CVE-2026-34340, CVE-2026-34341, CVE-2026-34342, CVE-2026-34343, CVE-2026-34344, CVE-2026-34345, CVE-2026-34347, CVE-2026-34351, CVE-2026-35415, CVE-2026-35416, CVE-2026-35417, CVE-2026-35418, CVE-2026-35419, CVE-2026-35421, CVE-2026-35422, CVE-2026-35423, CVE-2026-35424, CVE-2026-40369, CVE-2026-40377, CVE-2026-40380, CVE-2026-40382, CVE-2026-40397, CVE-2026-40398, CVE-2026-40399, CVE-2026-40401, CVE-2026-40403, CVE-2026-40405, CVE-2026-40406, CVE-2026-40407, CVE-2026-40408, CVE-2026-40410, CVE-2026-40413, CVE-2026-40414, CVE-2026-40415, CVE-2026-41088, CVE-2026-41096, CVE-2026-41097, CVE-2026-42825, CVE-2026-42896