CVE-2026-69690: Microsoft SharePoint Server

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Affected products

• Microsoft SharePoint Server: before 16.0.20326.20090 (fixed in 16.0.20326.20090)

Published 2026-09-08. Last modified 2026-09-09.