Microsoft · Security update · February 12, 2019

KB4471391: February 2019 security update

KB4471391, released February 12, 2019, fixes 2 CVEs in Microsoft Exchange Server 2019 Cumulative Update 1. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

Urgent1 publicly disclosedUnsupported product

CVEs closed

None rated Critical

Exploited

None reported

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.2380

97th percentile

Priority of the 2 CVEs

Patch now 0
                                Urgent 1
                                High 1
                                Routine 0

Applies to

Product
Microsoft Exchange Server 2019 Cumulative Update 1

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Urgent	CVE-2019-0686	Microsoft Exchange Server	Elevation of Privilege	n/a	0.0503	DisclosedMore likely
High	CVE-2019-0724	Microsoft Exchange Server	Elevation of Privilege	n/a	0.2380	None reported

Released the same day

KB4018294
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB4018300
Microsoft Office 2013 RT Service Pack 1, Microsoft Office 2013 Service Pack 1 (32-bit editions), Microsoft Office 2013 Service Pack 1 (64-bit editions)
KB4018313
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB4092465
Microsoft Excel Viewer, Microsoft Office Compatibility Pack Service Pack 3, Microsoft PowerPoint Viewer
KB4345836
Microsoft Exchange Server 2013 Cumulative Update 22
KB4461597
Microsoft Excel 2013 RT Service Pack 1, Microsoft Excel 2013 Service Pack 1 (32-bit editions), Microsoft Excel 2013 Service Pack 1 (64-bit editions)
KB4461607
Microsoft Office Compatibility Pack Service Pack 3
KB4461608
Microsoft Excel Viewer
KB4461630
Microsoft SharePoint Foundation 2010 Service Pack 2, Microsoft SharePoint Server 2010 Service Pack 2
KB4462115
Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)
KB4462138
Microsoft Office 2013 RT Service Pack 1, Microsoft Office 2013 Service Pack 1 (32-bit editions), Microsoft Office 2013 Service Pack 1 (64-bit editions)
KB4462139
Microsoft SharePoint Enterprise Server 2013 Service Pack 1

Vendor advisory

https://support.microsoft.com/help/4471391

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