Detections
Analytics
Security Updates for Microsoft SharePoint Server Subscription Edition (March 2026)
critical Nessus Plugin ID 301775
Language:
Synopsis
The Microsoft SharePoint Server Subscription Edition installation on the remote host is missing a security update.Description
The Microsoft SharePoint Server Subscription Edition installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities:- Remote Code Execution vulnerabilities (CVE-2026-26106, CVE-2026-26113)
- Spoofing vulnerability in Microsoft SharePoint Server Subscription Edition (CVE-2026-26105)
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.See Also
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26105
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26106
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26113
Plugin Details
Severity: Critical
ID: 301775
File Name: smb_nt_ms26_mar_office_sharepoint_subscr.nasl
Version: 1.4
Type: local
Agent: windows
Family: Windows : Microsoft Bulletins
Published: 3/10/2026
Updated: 3/16/2026
Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.4
CVSS v2
Risk Factor: High
Base Score: 9.4
Temporal Score: 7
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N
CVSS Score Source: CVE-2026-26105
CVSS v3
Risk Factor: Critical
Base Score: 9.3
Temporal Score: 8.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:microsoft:sharepoint_server:subscription
Required KB Items: SMB/MS_Bulletin_Checks/Possible
Exploit Ease: No known exploits are available
Patch Publication Date: 3/10/2026
Vulnerability Publication Date: 3/10/2026