Vulnerability · Published Aug 11, 2026 · Assigned by microsoft

CVE-2026-70324Microsoft SharePoint Elevation of Privilege Vulnerability

High 8.8

In plain English

A high-severity server-side request forgery in Microsoft SharePoint Enterprise Server 2016 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.9%top 38.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 – before 16.0.5565.1001
Microsoft Microsoft SharePoint Server 2019 16.0.0 – before 16.0.10417.20198
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 – before 16.0.19725.20522

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References