Security Updates for Microsoft Office Products C2R (April 2026)

high Nessus Plugin ID 306452

Synopsis

The Microsoft Office Products are affected by a remote code execution vulnerability.

Description

The Microsoft Office Products are missing a security update. It is, therefore, affected by a use after free vulnerability in Microsoft Office that allows an unauthorized attacker to execute code locally. (CVE-2026-32190)

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

Solution

Microsoft has released patches to address this issue.

For Office 365, Office 2016 C2R, or Office 2019, 2021 or 2024, ensure automatic updates are enabled or open any office app and manually perform an update.

See Also

http://www.nessus.org/u?5931548c

Plugin Details

Severity: High

ID: 306452

File Name: smb_nt_ms26_apr_office_c2r.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows

Published: 4/14/2026

Updated: 4/14/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

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-2026-32190

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

Vulnerability Information

CPE: cpe:/a:microsoft:office

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Patch Publication Date: 4/14/2026

Vulnerability Publication Date: 4/14/2026

Reference Information

CVE: CVE-2026-32190