KB5079466: Windows 11 Version 26H1 Security Update (March 2026)

high Nessus Plugin ID 301773

Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 5079466. It is, therefore, affected by multiple vulnerabilities

- Use after free in Broadcast DVR allows an authorized attacker to elevate privileges locally.
(CVE-2026-23667)

- Use after free in Windows Print Spooler Components allows an authorized attacker to execute code over a network. (CVE-2026-23669)

- Heap-based buffer overflow in Windows File Server allows an authorized attacker to elevate privileges locally. (CVE-2026-24283)
- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
(CVE-2026-25177, CVE-2026-25188)

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 5079466

See Also

https://support.microsoft.com/help/5079466

Plugin Details

Severity: High

ID: 301773

File Name: smb_nt_ms26_mar_5079466.nasl

Version: 1.1

Type: local

Agent: windows

Published: 3/10/2026

Updated: 3/10/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-25177

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:A/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

CVSS Score Source: CVE-2026-25188

Vulnerability Information

CPE: cpe:/o:microsoft:windows_11_26h1

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 3/10/2026

Vulnerability Publication Date: 3/10/2026

Reference Information

CVE: CVE-2026-23667, CVE-2026-23669, CVE-2026-23671, CVE-2026-23672, CVE-2026-23673, CVE-2026-23674, CVE-2026-24282, CVE-2026-24283, CVE-2026-24287, CVE-2026-24289, CVE-2026-24290, CVE-2026-24291, CVE-2026-24292, CVE-2026-24293, CVE-2026-24294, CVE-2026-24295, CVE-2026-24296, CVE-2026-25165, CVE-2026-25166, CVE-2026-25167, CVE-2026-25168, CVE-2026-25169, CVE-2026-25170, CVE-2026-25171, CVE-2026-25173, CVE-2026-25174, CVE-2026-25176, CVE-2026-25177, CVE-2026-25178, CVE-2026-25179, CVE-2026-25180, CVE-2026-25181, CVE-2026-25185, CVE-2026-25186, CVE-2026-25187, CVE-2026-25188, CVE-2026-25190, CVE-2026-26128, CVE-2026-26132

MSFT: MS26-5079466

MSKB: 5079466