KB5078938: Windows 10 Version 1607 / Windows Server 2016 Security Update (March 2026)

medium Nessus Plugin ID 301765

Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 5078938. It is, therefore, affected by multiple vulnerabilities

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

- Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
(CVE-2026-24285)

- Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally. (CVE-2026-24291)

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands.
(CVE-2026-26111)

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 5078938

See Also

https://support.microsoft.com/help/5078938

Plugin Details

Severity: Medium

ID: 301765

File Name: smb_nt_ms26_mar_5078938.nasl

Version: 1.4

Type: local

Agent: windows

Published: 3/10/2026

Updated: 3/31/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-26111

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.3

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

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

CVSS Score Source: CVE-2026-24297

Vulnerability Information

CPE: cpe:/o:microsoft:windows_10_1607, cpe:/o:microsoft:windows_server_2016

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/10/2026

Vulnerability Publication Date: 3/10/2026

Reference Information

CVE: CVE-2026-23668, CVE-2026-23669, CVE-2026-23671, CVE-2026-23672, CVE-2026-23673, CVE-2026-23674, CVE-2026-24282, CVE-2026-24285, CVE-2026-24289, CVE-2026-24291, CVE-2026-24294, CVE-2026-24295, CVE-2026-24296, CVE-2026-24297, CVE-2026-25165, CVE-2026-25166, CVE-2026-25168, CVE-2026-25169, CVE-2026-25171, CVE-2026-25172, CVE-2026-25173, CVE-2026-25174, CVE-2026-25175, 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-2026-26111, CVE-2026-26128

IAVA: 2026-A-0228, 2026-A-0230

MSFT: MS26-5078938

MSKB: 5078938