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Known vulnerabilities in Microsoft SharePoint Online

Is your version affected?

CVE Summary Score Published
CVE-2026-70332 Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint… 9.6 Critical Aug 6, 2026
CVE-2025-59245 Microsoft SharePoint Online Elevation of Privilege Vulnerability 9.8 Critical Nov 20, 2025

Other Microsoft products