Detections
Analytics

KB5120249: Windows 10 version 21H2 / Windows 10 Version 22H2 Security Update (August 2026)

high Nessus Plugin ID 334619

Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 5120249. It is, therefore, affected by multiple vulnerabilities

 - Improper neutralization of special elements used in a command ('command injection') in Windows Active Directory allows an unauthorized attacker to execute code over a network. (CVE-2026-49179)

 - Heap-based buffer overflow in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to execute code over a network. (CVE-2026-62784)

 - Heap-based buffer overflow in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network. (CVE-2026-62785)

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 5120249

See Also

https://support.microsoft.com/help/5120249

Plugin Details

Severity: High

ID: 334619

File Name: smb_nt_ms26_aug_5120249.nasl

Version: 1.1

Type: Local

Agent: windows

Published: 8/11/2026

Updated: 8/11/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: Critical

Base Score: 10

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

CVSS Score Source: CVE-2026-49179

CVSS v3

Risk Factor: High

Base Score: 8.8

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

Vulnerability Information

CPE: cpe:/o:microsoft:windows_10_21h2, cpe:/o:microsoft:windows_10_22h2

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Patch Publication Date: 8/11/2026

Vulnerability Publication Date: 8/11/2026

Reference Information

CVE: CVE-2026-49179, CVE-2026-50472, CVE-2026-54113, CVE-2026-54984, CVE-2026-56174, CVE-2026-59122, CVE-2026-59125, CVE-2026-59126, CVE-2026-59127, CVE-2026-59128, CVE-2026-59130, CVE-2026-59131, CVE-2026-59132, CVE-2026-59134, CVE-2026-59135, CVE-2026-59136, CVE-2026-59137, CVE-2026-59138, CVE-2026-61345, CVE-2026-61346, CVE-2026-61347, CVE-2026-61348, CVE-2026-61349, CVE-2026-61350, CVE-2026-61352, CVE-2026-61353, CVE-2026-61355, CVE-2026-61356, CVE-2026-61358, CVE-2026-61360, CVE-2026-61363, CVE-2026-61364, CVE-2026-61365, CVE-2026-61366, CVE-2026-61367, CVE-2026-61368, CVE-2026-61918, CVE-2026-61921, CVE-2026-61923, CVE-2026-61924, CVE-2026-61925, CVE-2026-61926, CVE-2026-61928, CVE-2026-61930, CVE-2026-61932, CVE-2026-61936, CVE-2026-61937, CVE-2026-61939, CVE-2026-62690, CVE-2026-62692, CVE-2026-62696, CVE-2026-62698, CVE-2026-62699, CVE-2026-62700, CVE-2026-62701, CVE-2026-62702, CVE-2026-62703, CVE-2026-62707, CVE-2026-62709, CVE-2026-62710, CVE-2026-62711, CVE-2026-62712, CVE-2026-62713, CVE-2026-62717, CVE-2026-62719, CVE-2026-62721, CVE-2026-62723, CVE-2026-62724, CVE-2026-62725, CVE-2026-62726, CVE-2026-62728, CVE-2026-62729, CVE-2026-62730, CVE-2026-62732, CVE-2026-62733, CVE-2026-62734, CVE-2026-62735, CVE-2026-62738, CVE-2026-62739, CVE-2026-62740, CVE-2026-62741, CVE-2026-62743, CVE-2026-62746, CVE-2026-62747, CVE-2026-62748, CVE-2026-62750, CVE-2026-62751, CVE-2026-62752, CVE-2026-62753, CVE-2026-62754, CVE-2026-62755, CVE-2026-62757, CVE-2026-62758, CVE-2026-62768, CVE-2026-62769, CVE-2026-62770, CVE-2026-62771, CVE-2026-62773, CVE-2026-62774, CVE-2026-62777, CVE-2026-62781, CVE-2026-62782, CVE-2026-62783, CVE-2026-62784, CVE-2026-62785, CVE-2026-62786, CVE-2026-62790, CVE-2026-62792, CVE-2026-62793, CVE-2026-62795, CVE-2026-62796, CVE-2026-62797, CVE-2026-62800, CVE-2026-62816, CVE-2026-62817, CVE-2026-62819, CVE-2026-62822, CVE-2026-62832, CVE-2026-62876, CVE-2026-62877, CVE-2026-62880, CVE-2026-62881, CVE-2026-62883, CVE-2026-62885, CVE-2026-62887, CVE-2026-62888, CVE-2026-62889, CVE-2026-62890, CVE-2026-62892, CVE-2026-62894, CVE-2026-62908, CVE-2026-65662, CVE-2026-65671, CVE-2026-65678, CVE-2026-65773, CVE-2026-65774, CVE-2026-65775, CVE-2026-65784, CVE-2026-65786, CVE-2026-65787, CVE-2026-65790, CVE-2026-65794, CVE-2026-65795, CVE-2026-65797, CVE-2026-65798, CVE-2026-65799, CVE-2026-65814, CVE-2026-66799, CVE-2026-66804, CVE-2026-6726, CVE-2026-6727, CVE-2026-68820, CVE-2026-70304, CVE-2026-70307, CVE-2026-70330, CVE-2026-70344, CVE-2026-70345, CVE-2026-70346, CVE-2026-70347

MSFT: MS26-5120249

MSKB: 5120249