Microsoft · Security update · October 8, 2019

KB4520011: October 2019 cumulative update for Windows 10 1507

KB4520011, released October 8, 2019, fixes 31 CVEs across 6 products. 2 of them are being exploited (CVE-2019-1367); 2 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now2 on CISA KEVKnown ransomware useUnsupported product
CVEs closed
31
6 rated Critical
Exploited
2
CVE-2019-1367
Exploitation more likely
3
Vendor assessment
Highest EPSS
0.7593
99th percentile

Priority of the 31 CVEs

Patch now 2 Urgent 8 High 9 Routine 12

Applies to

ProductBuild after install
Internet Explorer 11 on Windows 10 for 32-bit Systems10240.18368
Internet Explorer 11 on Windows 10 for x64-based Systems10240.18368
Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems10240.18368
Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems10240.18368
Windows 10 for 32-bit Systems10240.18368
Windows 10 for x64-based Systems10240.18368

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2019-1367 Microsoft Scripting Engine Remote Code Execution 6.4 0.5245 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-2019-1318 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-2019-1319 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
Routine CVE-2019-1343 Windows Kernel Denial of Service 6.5 0.1093 Exploitation Less Likely
Routine CVE-2019-1346 Microsoft Windows Denial of Service 5.7 0.1093 Exploitation Less Likely
Routine CVE-2019-1371 Internet Explorer Remote Code Execution 6.4 0.0740 Exploitation Less Likely
Routine CVE-2019-1238 Microsoft Scripting Engine Remote Code Execution 6.4 0.0586 Exploitation Less Likely
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