Microsoft · Security update · August 9, 2022

KB5019076: August 2022 security update

KB5019076, released August 9, 2022, fixes 5 CVEs in Microsoft Exchange Server 2013 Cumulative Update 23. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

Urgent1 publicly disclosedUnsupported product

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 2013 Cumulative Update 23

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/5019076

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