Security Updates for Microsoft Word Products (January 2021)

high Nessus Plugin ID 144875


The Microsoft Word Products are affected by multiple vulnerabilities.


The Microsoft Word Products are missing security updates. It is, therefore, affected by multiple vulnerabilities:

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-1715, CVE-2021-1716)


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

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

Plugin Details

Severity: High

ID: 144875

File Name: smb_nt_ms21_jan_word.nasl

Version: 1.8

Type: local

Agent: windows

Published: 1/12/2021

Updated: 12/7/2022

Supported Sensors: Nessus

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

CVSS Score Source: CVE-2021-1716


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: CVSS:3.0/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: 1/12/2021

Vulnerability Publication Date: 1/12/2021

Reference Information

CVE: CVE-2021-1715, CVE-2021-1716

IAVA: 2021-A-0024-S

MSFT: MS21-4486764, MS21-4493145, MS21-4493156

MSKB: 4486764, 4493145, 4493156