What is CVE-2026-70326?

CVE-2026-70326 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft SharePoint Server Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-70326 cover?

CVE-2026-70326 covers the following CVE IDs: CVE-2026-70326. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-70326?

CVE-2026-70326 has a CVSS v3 base score of 8.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-70326?

CVE-2026-70326 affects 1 product, including: Microsoft SharePoint Server Subscription Edition.

CVE-2026-70326HighCVSS 8.8

Microsoft SharePoint Server Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

August 14, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-70326 →

📋 Description

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

🎯 Affected products1

Microsoft SharePoint Server Subscription Edition

✅ Remediation

KB5002893 (Security Update) — fixed build 16.0.19725.20522

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70326
patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108767
referencehttps://support.microsoft.com/help/5002893