Security Updates for Microsoft Office Products (January 2021)

high Nessus Plugin ID 144885


The Microsoft Office Products are affected by multiple vulnerabilities.


The Microsoft office Product is missing security updates. It is, therefore, affected by multiple vulnerabilities:

- Microsoft Office Remote Code Execution Vulnerability (CVE-2021-1711)

- Microsoft Excel Remote Code Execution Vulnerability (CVE-2021-1714)

- Microsoft Word Remote Code Execution Vulnerability (CVE-2021-1715, CVE-2021-1716)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


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: 144885

File Name: smb_nt_ms21_jan_office.nasl

Version: 1.10

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:office

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-2021-1711, CVE-2021-1714, CVE-2021-1715, CVE-2021-1716

IAVA: 2021-A-0016-S, 2021-A-0017-S, 2021-A-0024-S

MSFT: MS21-4486755, MS21-4486759, MS21-4486762, MS21-4493142, MS21-4493143, MS21-4493168, MS21-4493181

MSKB: 4486755, 4486759, 4486762, 4493142, 4493143, 4493168, 4493181