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Security Updates for Microsoft Excel Products C2R (November 2025)

high Nessus Plugin ID 275297

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Synopsis

The Microsoft Excel Products are missing a security update.

Description

The Microsoft Excel Products are missing a security update. It is, therefore, affected by the following vulnerabilities:
 - Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
 (CVE-2025-60727)

 - Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally. (CVE-2025-62200)

 - Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. (CVE-2025-62201) 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 patches to address these issues.

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

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

Plugin Details

Severity: High

ID: 275297

File Name: smb_nt_ms25_nov_excel_c2r.nasl

Version: 1.3

Type: local

Agent: windows

Family: Windows

Published: 11/13/2025

Updated: 11/21/2025

Supported Sensors: 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-2025-60727

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:excel

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Patch Publication Date: 11/11/2025

Vulnerability Publication Date: 11/11/2025

Reference Information

CVE: CVE-2025-59240, CVE-2025-60726, CVE-2025-60727, CVE-2025-60728, CVE-2025-62200, CVE-2025-62201, CVE-2025-62202, CVE-2025-62203

IAVA: 2025-A-0845