Microsoft · Security update · May 20, 2026

KB5002869: May 2026 security update

KB5002869, released May 20, 2026, fixes 1 CVE in Microsoft SharePoint Enterprise Server 2016. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

UrgentUnsupported product
CVEs closed
1
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0045
39th percentile

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Urgent CVE-2026-40367 Microsoft Office Word Remote Code Execution 8.4 0.0045 Exploitation Unlikely
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