Detections
Analytics
Security Updates for Microsoft Office Products (January 2026)
high Nessus Plugin ID 283467
Language:
Synopsis
The Microsoft Office Products are affected by multiple vulnerabilities.Description
The Microsoft Office Products are missing security updates. They are, therefore, affected by multiple vulnerabilities:- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2026-20952, CVE-2026-20953)
- A privilege escalation vulnerability. An attacker can exploit this to gain elevated privileges. (CVE-2026-20943)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Microsoft has released the following updates to address these issues:- KB5002826
See Also
Plugin Details
Severity: High
ID: 283467
File Name: smb_nt_ms26_jan_office.nasl
Version: 1.2
Type: local
Agent: windows
Family: Windows : Microsoft Bulletins
Published: 1/13/2026
Updated: 1/16/2026
Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-20952
CVSS v3
Risk Factor: High
Base Score: 8.4
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score Source: CVE-2026-20952
Vulnerability Information
CPE: cpe:/a:microsoft:office
Required KB Items: SMB/MS_Bulletin_Checks/Possible
Patch Publication Date: 1/13/2026
Vulnerability Publication Date: 1/13/2026