Security Update for Microsoft OfficePLUS (September 2025)

high Nessus Plugin ID 265439

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Synopsis

The remote host has an application installed that is missing a security update.

Description

The version of Microsoft OfficePLUS installed on the remote Windows host is prior to 3.10.0.26585. It is, therefore, affected by an unspecified spoofing vulnerability.

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

Solution

Update to Microsoft OfficePLUS 3.10.0.26585 or later.

Plugin Details

Severity: High

ID: 265439

File Name: smb_nt_ms25_sep_microsoft_officeplus.nasl

Version: 1.1

Type: local

Agent: windows

Family: Windows

Published: 9/19/2025

Updated: 9/19/2025

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

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

CVSS Score Source: CVE-2025-55243

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: x-cpe:/a:microsoft:officeplus

Required KB Items: installed_sw/Microsoft OfficePLUS, SMB/Registry/Enumerated

Patch Publication Date: 9/9/2025

Vulnerability Publication Date: 9/9/2025

Reference Information

CVE: CVE-2025-55243

IAVA: 2025-A-0666

Detections

Analytics