Security Updates for Microsoft SharePoint Server 2019 (November 2025)

high Nessus Plugin ID 275448

Synopsis

The Microsoft SharePoint Server 2019 installation on the remote host is missing a security update

Description

The Microsoft SharePoint Server 2019 installation on the remote host is missing security updates. It is, therefore, affected by remote code execution vulnerability:

- Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. (CVE-2025-62204) 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 KB5002803 to address this issue.

See Also

https://support.microsoft.com/en-us/help/5002803

Plugin Details

Severity: High

ID: 275448

File Name: smb_nt_ms25_nov_office_sharepoint_2019.nasl

Version: 1.1

Type: local

Agent: windows

Published: 11/14/2025

Updated: 11/14/2025

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9

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

CVSS Score Source: CVE-2025-62204

CVSS v3

Risk Factor: High

Base Score: 8

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

Vulnerability Information

CPE: cpe:/a:microsoft:sharepoint_server:2019

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Patch Publication Date: 11/11/2025

Vulnerability Publication Date: 11/11/2025

Reference Information

CVE: CVE-2025-62204

IAVA: 2025-A-0847

MSFT: MS25-5002803

MSKB: 5002803