CVE-2026-88206 HIGH

CVE-2026-88206: Microsoft Office SharePoint Elevation of Privilege Vulnerability

Vendor Microsoft
Product Microsoft SharePoint Server Subscription Edition
Weakness CWE-918 · SSRF
Published October 13, 2026
Last update October 19, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

Key dates

02Disclosure timeline

October 13, 2026 CVE published
October 19, 2026 Record updated

Related vulnerabilities

04Related CVE