Security Updates for Microsoft SharePoint Server 2019 (December 2025)

high Nessus Plugin ID 277993

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Synopsis

The Microsoft SharePoint Server 2019 installation on the remote host is affected by multiple vulnerabilities.

Description

The Microsoft SharePoint Server 2019 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-2025-62555, CVE-2025-62558, CVE-2025-62559, CVE-2025-62562)

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 security updates to address this issue.

Plugin Details

Severity: High

ID: 277993

File Name: smb_nt_ms25_dec_office_sharepoint_2019.nasl

Version: 1.4

Type: local

Agent: windows

Family: Windows : Microsoft Bulletins

Published: 12/9/2025

Updated: 2/26/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2025-62562

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

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

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 12/9/2025

Vulnerability Publication Date: 12/9/2025

Reference Information

CVE: CVE-2025-62555, CVE-2025-62558, CVE-2025-62559, CVE-2025-62562

IAVA: 2025-A-0915-S

MSFT: MS25-5002816

MSKB: 5002816

Detections

Analytics