Detections
Analytics

Microsoft SharePoint Server 2019 < 16.0.10417.20175 Multiple Vulnerabilities

critical Web App Scanning Plugin ID 115440

Synopsis

Microsoft SharePoint Server 2019 < 16.0.10417.20175 Multiple Vulnerabilities

Description

According to its self-reported version number, the Microsoft SharePoint application running on the remote host is affected by multiple vulnerabilities.

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Microsoft SharePoint Server 2019 build 16.0.10417.20175 or later.

See Also

https://msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2026-50522

https://msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2026-55040

https://msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2026-56164

Plugin Details

Severity: Critical

ID: 115440

Type: Version Based

Published: 9/1/2026

Updated: 9/1/2026

Scan Template: api, basic, full, pci, scan

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

Percentile: 99.82

CVSS v2

Risk Factor: Critical

Base Score: 10

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

CVSS Score Source: CVE-2026-50522

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

CVSS Score Source: CVE-2026-50522

Vulnerability Information

CPE: cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:*:*:*:*

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 7/12/2026

CISA Known Exploited Vulnerability Due Dates: 7/17/2026, 7/25/2026, 8/21/2026

Reference Information

CVE: CVE-2026-50522, CVE-2026-55040, CVE-2026-56164