Security Updates for Microsoft Word Products (October 2021)

high Nessus Plugin ID 154031

Synopsis

The Microsoft Word Products are missing a security update.

Description

The Microsoft Word Products are missing a security update.
It is, therefore, affected by the following vulnerability :

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-40486)

Solution

Microsoft has released the following security updates to address this issue:
-KB5001960
-KB5002004

For Office 365, Office 2016 C2R, or Office 2019, ensure automatic updates are enabled or open any office app and manually perform an update.

See Also

https://support.microsoft.com/en-us/help/5001960

https://support.microsoft.com/en-us/help/5002004

http://www.nessus.org/u?42ab6861

http://www.nessus.org/u?fd4508ff

Plugin Details

Severity: High

ID: 154031

File Name: smb_nt_ms21_oct_word.nasl

Version: 1.5

Type: local

Agent: windows

Published: 10/12/2021

Updated: 11/12/2021

Risk Information

CVSS Score Source: CVE-2021-40486

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:word

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 10/12/2021

Vulnerability Publication Date: 10/12/2021

Reference Information

CVE: CVE-2021-40486

MSKB: 5001960, 5002004

MSFT: MS21-5001960, MS21-5002004

IAVA: 2021-A-0473