Microsoft · Security update · November 12, 2019

KB4523171: November 2019 security update

KB4523171, released November 12, 2019, fixes 1 CVE across 5 products. 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
0.2168
97th percentile

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Urgent CVE-2019-1373 Microsoft Exchange Server Remote Code Execution n/a 0.2168 Exploitation Less Likely
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