SharePoint vulnerabilities and fixes

CVEs that mention SharePoint, ranked by priority. 6 tracked.

SharePoint has 6 tracked vulnerabilities, 1 critical and 1 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 6. Most recent: 2026-10-21. Highest priority: CVE-2026-65660 (score 81/100).

• CVE-2026-65660 HIGH 8.8 EXPLOITED UPGRADE Microsoft SharePoint Code Injection Vulnerability
• CVE-2026-70321 HIGH 8.8 UPGRADE Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code
• CVE-2026-70332 CRITICAL 9.6 MITIGATE Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Share
• CVE-2026-70326 HIGH 8.8 UPGRADE Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate pri
• CVE-2026-57105 HIGH 8.0 UPGRADE Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Share
• CVE-2026-92203 HIGH 7.7 Airbyte SharePoint Connector _get_shared_drive_object Server-Side Request Forgery Information Disclosure Vulne

FAQ

How do I fix SharePoint 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 being exploited right now?

Yes: 1 SharePoint CVE is on the CISA Known Exploited Vulnerabilities list, so patch it first.

Which SharePoint CVE should I patch first?

CVE-2026-65660 currently ranks highest (81/100): Microsoft SharePoint Code Injection Vulnerability.

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