Microsoft · Security update · August 8, 2017

KB4034660: August 2017 cumulative update for Windows 10 1511

KB4034660, released August 8, 2017, fixes 27 CVEs across 6 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

Urgent1 publicly disclosedUnsupported product
CVEs closed
27
15 rated Critical
Exploited
0
None reported
Exploitation more likely
18
Vendor assessment
Highest EPSS
0.7212
99th percentile

Priority of the 27 CVEs

Patch now 0 Urgent 23 High 1 Routine 3

Applies to

ProductBuild after install
Internet Explorer 11 on Windows 10 Version 1511 for 32-bit Systems10586.1045
Internet Explorer 11 on Windows 10 Version 1511 for x64-based Systems10586.1045
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for 32-bit Systems10586.1045
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for x64-based Systems10586.1045
Windows 10 Version 1511 for 32-bit Systems10586.1045
Windows 10 Version 1511 for x64-based Systems10586.1045

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Urgent CVE-2017-8636 Microsoft Scripting Engine Remote Code Execution 4.2 0.7212 More likely
Urgent CVE-2017-8641 Microsoft Scripting Engine Remote Code Execution 4.2 0.7161 More likely
Urgent CVE-2017-8640 Microsoft Scripting Engine Remote Code Execution 4.2 0.6928 More likely
Urgent CVE-2017-8645 Microsoft Scripting Engine Remote Code Execution 4.2 0.6928 More likely
Urgent CVE-2017-8646 Microsoft Scripting Engine Remote Code Execution 4.2 0.6928 Exploitation Less Likely
Urgent CVE-2017-8671 Microsoft Scripting Engine Remote Code Execution 4.2 0.6928 More likely
Urgent CVE-2017-8620 Microsoft Windows Search Component Remote Code Execution 8.1 0.5733 More likely
Urgent CVE-2017-8635 Microsoft Scripting Engine Remote Code Execution 4.2 0.5588 More likely
Urgent CVE-2017-8657 Microsoft Scripting Engine Remote Code Execution 4.2 0.5456 More likely
Urgent CVE-2017-8652 Microsoft Edge Information Disclosure 4.3 0.2294 More likely
Urgent CVE-2017-0228 Microsoft Edge Remote Code Execution 7.5 0.1699 More likely
Urgent CVE-2017-8644 Microsoft Edge Information Disclosure 4.3 0.1512 More likely
Urgent CVE-2017-0293 Microsoft Windows PDF Remote Code Execution 3.6 0.1442 Exploitation Less Likely
Urgent CVE-2017-8653 Internet Explorer Remote Code Execution 3.1 0.0918 More likely
Urgent CVE-2017-8655 Microsoft Scripting Engine Remote Code Execution 4.2 0.0889 Exploitation Less Likely
Urgent CVE-2017-8672 Microsoft Scripting Engine Remote Code Execution 4.2 0.0889 Exploitation Less Likely
Urgent CVE-2017-8669 Internet Explorer Remote Code Execution 7.5 0.0847 More likely
Urgent CVE-2017-8591 Windows Shell Remote Code Execution 8.8 0.0397 Exploitation Less Likely
Urgent CVE-2017-8633 Microsoft Windows Elevation of Privilege 7.5 0.0389 DisclosedMore likely
Urgent CVE-2017-8666 Windows Kernel-Mode Drivers Information Disclosure 7.0 0.0232 More likely
Urgent CVE-2017-8624 Common Log File System Driver Elevation of Privilege 8.8 0.0130 More likely
Urgent CVE-2017-8503 Microsoft Edge Elevation of Privilege 8.8 0.0117 More likely
Urgent CVE-2017-8593 Windows Kernel-Mode Drivers Elevation of Privilege 7.0 0.0103 More likely
High CVE-2017-8664 Windows Hyper-V Remote Code Execution 7.8 0.0397 Exploitation Less Likely
Routine CVE-2017-8625 Internet Explorer Security Feature Bypass 5.3 0.1538 Exploitation Less Likely
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