Detections
Analytics

Microsoft SharePoint Server 2016 < 16.0.5552.1002 Insecure Deserialization

high Web App Scanning Plugin ID 115290

Synopsis

Microsoft SharePoint Server 2016 < 16.0.5552.1002 Insecure Deserialization

Description

According to its self-reported version number, the Microsoft SharePoint application running on the remote host is affected by an Insecure Deserialization vulnerability.

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 2016 build 16.0.5552.1002 or later.

See Also

https://msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2026-33112

Plugin Details

Severity: High

ID: 115290

Type: Version Based

Published: 7/13/2026

Updated: 7/13/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.85

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-2026-33112

CVSS v3

Risk Factor: High

Base Score: 8.8

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

CVSS Score Source: CVE-2026-33112

Vulnerability Information

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 5/11/2026

Reference Information

CVE: CVE-2026-33112