#office-online-server
3 articles
Knowledge Base3

Security Update
Microsoft Office
KB5002855 — Security Update for Office Online Server
KB5002855 is a security update released on April 14, 2026, that addresses multiple vulnerabilities in Office Online Server, including remote code execution and information disclosure flaws affecting document rendering and authentication mechanisms.
April 1612 min

Security Update
Microsoft Office
KB5002846 — Security Update for Office Online Server
KB5002846 is a March 2026 security update that addresses multiple vulnerabilities in Office Online Server, including remote code execution and information disclosure flaws affecting document rendering and authentication components.
March 1112 min

Security Update
Microsoft Office
KB5002835 — Security Update for Office Online Server
KB5002835 is a February 2026 security update that addresses multiple vulnerabilities in Office Online Server, including remote code execution and information disclosure flaws affecting document processing and authentication mechanisms.
March 1112 min

