Microsoft · Security update · August 11, 2020

KB4571723: August 2020 security update

KB4571723, released August 11, 2020, fixes 55 CVEs across 4 products. One of them is being exploited (CVE-2020-1464); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV1 publicly disclosed

CVEs closed

5 rated Critical

Exploited

CVE-2020-1464

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.3895

98th percentile

Priority of the 55 CVEs

Patch now 1
                                Urgent 8
                                High 41
                                Routine 5

Applies to

Product
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2020-1464	Microsoft Windows	Spoofing	5.3	0.3895	KEVDisclosedExploited
Urgent	CVE-2020-1554	Windows Media	Remote Code Execution	8.0	0.0346	Exploitation Less Likely
Urgent	CVE-2020-1492	Microsoft Video Control	Remote Code Execution	7.8	0.0346	Exploitation Less Likely
Urgent	CVE-2020-1339	Windows Media	Remote Code Execution	7.3	0.0332	Exploitation Less Likely
Urgent	CVE-2020-1379	Windows Media	Remote Code Execution	7.8	0.0331	Exploitation Less Likely
Urgent	CVE-2020-1477	Windows Media Player	Remote Code Execution	7.8	0.0251	Exploitation Less Likely
Urgent	CVE-2020-1529	Microsoft Graphics Component	Elevation of Privilege	7.8	0.0090	More likely
Urgent	CVE-2020-1584	Microsoft Windows	Elevation of Privilege	7.8	0.0090	More likely
Urgent	CVE-2020-1587	Microsoft Windows	Elevation of Privilege	7.8	0.0086	More likely
High	CVE-2020-1337	Windows Print Spooler Components	Elevation of Privilege	7.8	0.1418	Exploitation Less Likely
High	CVE-2020-1558	Microsoft JET Database Engine	Remote Code Execution	n/a	0.0418	Exploitation Less Likely
High	CVE-2020-1562	Microsoft Graphics Component	Remote Code Execution	7.8	0.0403	Exploitation Less Likely
High	CVE-2020-1564	Microsoft JET Database Engine	Remote Code Execution	n/a	0.0403	Exploitation Less Likely
High	CVE-2020-1466	Windows RDP	Denial of Service	7.5	0.0395	N/A
High	CVE-2020-1557	Microsoft JET Database Engine	Remote Code Execution	n/a	0.0393	Exploitation Less Likely
High	CVE-2020-1378	Windows Registry	Elevation of Privilege	7.8	0.0386	Exploitation Less Likely
High	CVE-2020-1467	Microsoft Windows	Elevation of Privilege	7.8	0.0355	Exploitation Less Likely
High	CVE-2020-1509	Microsoft Windows	Elevation of Privilege	8.8	0.0326	Exploitation Less Likely
High	CVE-2020-1473	Microsoft JET Database Engine	Remote Code Execution	7.8	0.0280	Exploitation Less Likely
High	CVE-2020-1478	Windows Media Player	Remote Code Execution	7.8	0.0268	Exploitation Less Likely
High	CVE-2020-1565	Windows Shell	Elevation of Privilege	n/a	0.0251	Exploitation Less Likely
High	CVE-2020-1552	Microsoft Windows	Elevation of Privilege	n/a	0.0236	Exploitation Less Likely
High	CVE-2020-1377	Windows Registry	Elevation of Privilege	7.8	0.0151	Exploitation Less Likely
High	CVE-2020-1475	Microsoft Windows	Elevation of Privilege	7.0	0.0115	Exploitation Less Likely
High	CVE-2020-1470	Microsoft Windows	Elevation of Privilege	7.8	0.0113	Exploitation Less Likely

Released the same day

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Microsoft SharePoint Enterprise Server 2013 Service Pack 1
KB4484191
Microsoft SharePoint Server 2010 Service Pack 2
KB4484340
Microsoft Access 2016 (32-bit edition), Microsoft Access 2016 (64-bit edition)
KB4484346
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB4484354
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)
KB4484359
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)
KB4484366
Microsoft Access 2013 Service Pack 1 (32-bit editions), Microsoft Access 2013 Service Pack 1 (64-bit editions)
KB4484375
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB4484379
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB4484385
Microsoft Access 2010 Service Pack 2 (32-bit editions), Microsoft Access 2010 Service Pack 2 (64-bit editions)
KB4484431
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB4484449
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)

Vendor advisory

https://support.microsoft.com/help/4571723

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