PatchTheCVEsharepoint online vulnerabilities and fixes
Recent CVEs affecting sharepoint online, with upgrade or downgrade steps. 1 tracked.
Also searched as: sharepointonline.
sharepoint online has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-08-07. Highest priority: CVE-2026-70332 (score 53/100).
- CVE-2026-70332 CRITICAL 9.6 MITIGATE Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Share
FAQ
How do I fix sharepoint online vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is sharepoint online being exploited right now?
None of the tracked sharepoint online CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which sharepoint online CVE should I patch first?
CVE-2026-70332 currently ranks highest (53/100): Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Share.