CVE-2026-102866CriticalMonitor
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Severity Critical · Urgency Monitor
Why it matters: Critical severity (CVSS 8.1)
Elevation of Privilege · Critical · CVSS 8.1. Affects: SharePoint Server.
Affected: SharePoint Server
Related changes
Change history
2026-10-13 · First captured by tracker