Microsoft · Security update · August 9, 2022

KB5019077: August 2022 security update

KB5019077, released August 9, 2022, fixes 5 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent1 publicly disclosed

CVEs closed

3 rated Critical

Exploited

None reported

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.0274

86th percentile

Priority of the 5 CVEs

Patch now 0
                                Urgent 3
                                High 0
                                Routine 2

Applies to

Product
Microsoft Exchange Server 2016 Cumulative Update 22
Microsoft Exchange Server 2016 Cumulative Update 23
Microsoft Exchange Server 2019 Cumulative Update 11
Microsoft Exchange Server 2019 Cumulative Update 12

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Urgent	CVE-2022-21980	Microsoft Exchange Server	Elevation of Privilege	8.0	0.0274	More likely
Urgent	CVE-2022-24516	Microsoft Exchange Server	Elevation of Privilege	8.0	0.0245	More likely
Urgent	CVE-2022-24477	Microsoft Exchange Server	Elevation of Privilege	8.0	0.0231	More likely
Routine	CVE-2022-21979	Microsoft Exchange Server	Information Disclosure	4.8	0.0222	Exploitation Less Likely
Routine	CVE-2022-30134	Microsoft Exchange Server	Information Disclosure	6.5	0.0214	DisclosedExploitation Unlikely

Released the same day

KB4462142
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)
KB4462148
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB5001990
Microsoft Outlook 2013 RT Service Pack 1, Microsoft Outlook 2013 Service Pack 1 (32-bit editions), Microsoft Outlook 2013 Service Pack 1 (64-bit editions)
KB5002051
Microsoft Outlook 2016 (32-bit edition), Microsoft Outlook 2016 (64-bit edition)
KB5002228
Microsoft Office Online Server
KB5002232
Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)
KB5002242
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)
KB5012170
Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems and 29 more
KB5015322
Microsoft Exchange Server 2016 Cumulative Update 22, Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Exchange Server 2019 Cumulative Update 11 and 1 more
KB5016314
Microsoft Visual Studio 2012 Update 5
KB5016315
Microsoft Visual Studio 2013 Update 5
KB5016316
Microsoft Visual Studio 2015 Update 3

Vendor advisory

https://support.microsoft.com/help/5019077

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