Detections
Analytics

Security Updates for Microsoft Office Online Server (April 2025)

high Nessus Plugin ID 234040

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Synopsis

The Microsoft Office Online Server installation on the remote host is affected by multiple vulnerabilities.

Description

The Microsoft Office Online Server installation on the remote host is 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-2025-26642, CVE-2025-27746, CVE-2025-27751)

Solution

Microsoft has released KB5002699 to address this issue.

See Also

https://support.microsoft.com/en-us/help/5002699

Plugin Details

Severity: High

ID: 234040

File Name: smb_nt_ms25_apr_office_web.nasl

Version: 1.1

Type: local

Agent: windows

Published: 4/8/2025

Updated: 4/8/2025

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

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-2025-26642

CVSS v3

Risk Factor: High

Base Score: 7.8

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

Vulnerability Information

CPE: cpe:/a:microsoft:office_web_apps

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Patch Publication Date: 4/8/2025

Vulnerability Publication Date: 4/8/2025

Reference Information

CVE: CVE-2025-26642, CVE-2025-27746, CVE-2025-27751

MSFT: MS25-5002699

MSKB: 5002699