KB5006729: Windows 8.1 and Windows Server 2012 R2 Security Update (October 2021)

high Nessus Plugin ID 154040


The remote Windows host is affected by multiple vulnerabilities.


The remote Windows host is missing security update 5006729. It is, therefore, affected by multiple vulnerabilities.


Apply Security Update 5006729 or apply Cumulative Update 5006714

Plugin Details

Severity: High

ID: 154040

File Name: smb_nt_ms21_oct_5006729.nasl

Version: 1.12

Type: local

Agent: windows

Published: 10/12/2021

Updated: 6/17/2024

Supported Sensors: Nessus

Risk Information


Risk Factor: Critical

Score: 9.0


Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

CVSS Score Source: CVE-2021-41345


Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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

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

CVSS Score Source: CVE-2021-36970

Vulnerability Information

CPE: cpe:/o:microsoft:windows_8, cpe:/o:microsoft:windows_server_2012:r2

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/12/2021

Vulnerability Publication Date: 10/12/2021

CISA Known Exploited Vulnerability Due Dates: 12/1/2021

Exploitable With

Core Impact

Metasploit (Win32k NtGdiResetDC Use After Free Local Privilege Elevation)

Reference Information

CVE: CVE-2021-26441, CVE-2021-26442, CVE-2021-36953, CVE-2021-36970, CVE-2021-38662, CVE-2021-38663, CVE-2021-40443, CVE-2021-40449, CVE-2021-40454, CVE-2021-40455, CVE-2021-40460, CVE-2021-40463, CVE-2021-40465, CVE-2021-40466, CVE-2021-40467, CVE-2021-40469, CVE-2021-40476, CVE-2021-40477, CVE-2021-40478, CVE-2021-40488, CVE-2021-40489, CVE-2021-41331, CVE-2021-41332, CVE-2021-41335, CVE-2021-41340, CVE-2021-41343, CVE-2021-41345

IAVA: 2021-A-0472-S, 2021-A-0475-S

MSFT: MS21-5006714, MS21-5006729

MSKB: 5006714, 5006729