Microsoft · Security update · February 10, 2026

KB5074995: February 2026 security update

KB5074995, released February 10, 2026, fixes 1 CVE in Microsoft Exchange Server 2016 Cumulative Update 23. None of them is reported as exploited. Patch Radar priority: Routine.

Routine
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Microsoft's assessment
Highest EPSS
0.0814
94th percentile

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Routine CVE-2026-21527 Microsoft Exchange ServerSpoofing6.5 0.0814 Exploitation Less Likely
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