KB5094126: Windows 11 Version 24H2 / Windows 11 Version 25H2 Security Update (June 2026)

critical Nessus Plugin ID 320188

Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 5094126. It is, therefore, affected by multiple vulnerabilities

- Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. (CVE-2026-42909, CVE-2026-42913, CVE-2026-42985, CVE-2026-42992, CVE-2026-42993, CVE-2026-44799, CVE-2026-44801, CVE-2026-47289, CVE-2026-47653, CVE-2026-48563)

- Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 & X1C, Cortex-A710, Cortex-A78, A78AE & A78C, Cortex-A77, Cortex-A76 & A76A may allow writes to resources owned by a higher exception level.
(CVE-2025-10263)

- Heap-based buffer overflow in Microsoft Windows DNS allows an authorized attacker to elevate privileges locally. (CVE-2026-41108)

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 5094126

Plugin Details

Severity: Critical

ID: 320188

File Name: smb_nt_ms26_jun_5094126.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows : Microsoft Bulletins

Published: 6/9/2026

Updated: 6/9/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

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-2026-47653

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2025-10263

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: 6/9/2026

Vulnerability Publication Date: 6/9/2026

Reference Information

CVE: CVE-2020-17103, CVE-2025-10263, CVE-2026-33828, CVE-2026-34335, CVE-2026-40404, CVE-2026-40409, CVE-2026-41092, CVE-2026-41108, CVE-2026-42828, CVE-2026-42829, CVE-2026-42836, CVE-2026-42837, CVE-2026-42903, CVE-2026-42904, CVE-2026-42905, CVE-2026-42906, CVE-2026-42907, CVE-2026-42908, CVE-2026-42909, CVE-2026-42910, CVE-2026-42911, CVE-2026-42912, CVE-2026-42913, CVE-2026-42914, CVE-2026-42915, CVE-2026-42916, CVE-2026-42968, CVE-2026-42969, CVE-2026-42970, CVE-2026-42971, CVE-2026-42972, CVE-2026-42973, CVE-2026-42974, CVE-2026-42977, CVE-2026-42978, CVE-2026-42979, CVE-2026-42980, CVE-2026-42981, CVE-2026-42983, CVE-2026-42984, CVE-2026-42985, CVE-2026-42986, CVE-2026-42989, CVE-2026-42991, CVE-2026-42992, CVE-2026-42993, CVE-2026-44799, CVE-2026-44801, CVE-2026-44802, CVE-2026-44803, CVE-2026-44809, CVE-2026-44810, CVE-2026-44812, CVE-2026-44815, CVE-2026-45487, CVE-2026-45586, CVE-2026-45588, CVE-2026-45592, CVE-2026-45593, CVE-2026-45594, CVE-2026-45595, CVE-2026-45596, CVE-2026-45597, CVE-2026-45598, CVE-2026-45599, CVE-2026-45600, CVE-2026-45601, CVE-2026-45602, CVE-2026-45603, CVE-2026-45604, CVE-2026-45605, CVE-2026-45606, CVE-2026-45607, CVE-2026-45608, CVE-2026-45634, CVE-2026-45635, CVE-2026-45636, CVE-2026-45637, CVE-2026-45638, CVE-2026-45639, CVE-2026-45640, CVE-2026-45641, CVE-2026-45642, CVE-2026-45653, CVE-2026-45654, CVE-2026-45655, CVE-2026-45656, CVE-2026-45657, CVE-2026-45658, CVE-2026-47289, CVE-2026-47291, CVE-2026-47648, CVE-2026-47652, CVE-2026-47653, CVE-2026-47656, CVE-2026-48563, CVE-2026-48568, CVE-2026-48570, CVE-2026-48573, CVE-2026-48574, CVE-2026-48575, CVE-2026-48576, CVE-2026-48578, CVE-2026-48583, CVE-2026-49160, CVE-2026-50507, CVE-2026-8863

MSFT: MS26-5094126

MSKB: 5094126

Detections

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