Microsoft · Security update · February 9, 2021

KB4571788: February 2021 security update

KB4571788, released February 9, 2021, fixes 1 CVE in Microsoft Exchange Server 2016 Cumulative Update 18. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

RoutineUnsupported product
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0182
78th percentile

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Routine CVE-2021-1730 Microsoft Exchange Server Spoofing 5.4 0.0182 Exploitation Less Likely
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