CVE-2026-70332: Microsoft SharePoint Online

Critical severity, CVSS 9.6. EPSS: 0.9% 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 unauthorized attacker to perform spoofing over a network.

Affected products

• Microsoft SharePoint Online: affected versions not specified

Published 2026-08-07. Last modified 2026-08-07.