Security Updates for Microsoft Word Products (February 2023)

critical Nessus Plugin ID 171449

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 a remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands.

Solution

Microsoft has released the following security updates to address this issue:
-KB5002316
-KB5002323

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/5002323

https://support.microsoft.com/en-us/help/5002316

Plugin Details

Severity: Critical

ID: 171449

File Name: smb_nt_ms23_feb_word.nasl

Version: 1.4

Type: local

Agent: windows

Published: 2/14/2023

Updated: 5/11/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

CVSS Score Source: CVE-2023-21716

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:word

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/14/2023

Vulnerability Publication Date: 2/14/2023

Reference Information

CVE: CVE-2023-21716

IAVA: 2023-A-0085-S

MSFT: MS23-5002316, MS23-5002323

MSKB: 5002316, 5002323