Microsoft · Security update · October 8, 2019

KB4520008: October 2019 cumulative update for Windows 10 1803

KB4520008, released October 8, 2019, fixes 40 CVEs across 10 products. 3 of them are being exploited (CVE-2019-1367); 3 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now3 on CISA KEVKnown ransomware useUnsupported product

CVEs closed

6 rated Critical

Exploited

CVE-2019-1367

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.7593

99th percentile

Priority of the 40 CVEs

Patch now 3
                                Urgent 8
                                High 12
                                Routine 17

Applies to

Product	Build after install
Internet Explorer 11 on Windows 10 Version 1803 for 32-bit Systems	17134.1069
Internet Explorer 11 on Windows 10 Version 1803 for ARM64-based Systems	17134.1069
Internet Explorer 11 on Windows 10 Version 1803 for x64-based Systems	17134.1069
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems	17134.1069
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for ARM64-based Systems	17134.1069
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems	17134.1069
Windows 10 Version 1803 for 32-bit Systems	17134.1069
Windows 10 Version 1803 for ARM64-based Systems	17134.1069
Windows 10 Version 1803 for x64-based Systems	17134.1069
Windows Server, version 1803 (Server Core Installation)	17134.1069

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2019-1367	Microsoft Scripting Engine	Remote Code Execution	6.4	0.5245	KEVRansomwareExploited
Patch now	CVE-2019-1322	Microsoft Windows	Elevation of Privilege	7.0	0.1884	KEVRansomwareExploited
Patch now	CVE-2019-1315	Microsoft Windows	Elevation of Privilege	7.8	0.0348	KEVRansomwareExploited
Urgent	CVE-2019-1333	Windows RDP	Remote Code Execution	7.5	0.1598	More likely
Urgent	CVE-2019-1060	Microsoft Scripting Engine	Remote Code Execution	6.4	0.1379	Exploitation Less Likely
Urgent	CVE-2019-1307	Microsoft Scripting Engine	Remote Code Execution	4.2	0.1010	Exploitation Less Likely
Urgent	CVE-2019-1308	Microsoft Scripting Engine	Remote Code Execution	4.2	0.1010	Exploitation Less Likely
Urgent	CVE-2019-1335	Microsoft Scripting Engine	Remote Code Execution	4.2	0.0990	Exploitation Less Likely
Urgent	CVE-2019-1366	Microsoft Scripting Engine	Remote Code Execution	4.2	0.0990	N/A
Urgent	CVE-2019-1192	Microsoft Browsers	Security Feature Bypass	2.4	0.0371	More likely
Urgent	CVE-2019-1341	Microsoft Windows	Elevation of Privilege	7.8	0.0109	More likely
High	CVE-2019-1358	Microsoft JET Database Engine	Remote Code Execution	7.8	0.7593	Exploitation Less Likely
High	CVE-2019-1311	Microsoft Windows	Remote Code Execution	7.8	0.3623	Exploitation Less Likely
High	CVE-2019-1359	Microsoft JET Database Engine	Remote Code Execution	7.8	0.1927	Exploitation Less Likely
High	CVE-2019-1326	Windows RDP	Denial of Service	7.5	0.0646	Exploitation Less Likely
High	CVE-2019-1365	Windows IIS	Elevation of Privilege	7.5	0.0435	Exploitation Less Likely
High	CVE-2019-1318	Microsoft Windows	Spoofing	7.7	0.0352	Exploitation Less Likely
High	CVE-2019-1339	Microsoft Windows	Elevation of Privilege	7.8	0.0132	None reported
High	CVE-2019-1342	Microsoft Windows	Elevation of Privilege	7.0	0.0118	Exploitation Less Likely
High	CVE-2019-1340	Microsoft Windows	Elevation of Privilege	7.8	0.0113	Exploitation Less Likely
High	CVE-2019-1320	Microsoft Windows	Elevation of Privilege	7.0	0.0109	Exploitation Less Likely
High	CVE-2019-1319	Microsoft Windows	Elevation of Privilege	7.0	0.0097	Exploitation Less Likely
High	CVE-2019-1454	Microsoft Windows	Elevation of Privilege	n/a	0.0064	Exploitation Less Likely
Routine	CVE-2019-1166	Windows NTLM	Tampering	5.9	0.6811	Exploitation Less Likely
Routine	CVE-2019-1347	Microsoft Windows	Denial of Service	5.7	0.1494	Exploitation Less Likely

Released the same day

KB4462176
Excel Services on Microsoft SharePoint Server 2010 Service Pack 2
KB4462215
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
KB4469516
Microsoft Visual Studio 2015 Update 3
KB4475554
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB4475558
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)
KB4475569
Microsoft Office 2010 Service Pack 2 (32-bit editions), Microsoft Office 2010 Service Pack 2 (64-bit editions)
KB4475595
Office Online Server
KB4475608
Microsoft SharePoint Foundation 2013 Service Pack 1
KB4484110
Microsoft SharePoint Server 2019
KB4484111
Microsoft SharePoint Enterprise Server 2016
KB4484112
Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)
KB4484122
Microsoft SharePoint Foundation 2013 Service Pack 1

Vendor advisory

https://support.microsoft.com/help/4520008

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