Microsoft · Security update · August 14, 2018

KB4343892: August 2018 cumulative update for Windows 10 1507

KB4343892, released August 14, 2018, fixes 32 CVEs across 10 products. 3 of them are being exploited (CVE-2018-8373); 3 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now3 on CISA KEVKnown ransomware use1 publicly disclosedUnsupported product
CVEs closed
32
7 rated Critical
Exploited
3
CVE-2018-8373
Exploitation more likely
13
Vendor assessment
Highest EPSS
0.6790
99th percentile

Priority of the 32 CVEs

Patch now 3 Urgent 13 High 5 Routine 11

Applies to

ProductBuild after install
Internet Explorer 11 on Windows 10 for 32-bit Systems10240.17946
Internet Explorer 11 on Windows 10 for x64-based Systems10240.17946
Microsoft .NET Framework 3.5 on Windows 10 for 32-bit Systems10240.17946
Microsoft .NET Framework 3.5 on Windows 10 for x64-based Systems10240.17946
Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems10240.17946
Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems10240.17946
Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems10240.17946
Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems10240.17946
Windows 10 for 32-bit Systems10240.17946
Windows 10 for x64-based Systems10240.17946

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2018-8373 Microsoft Scripting Engine Remote Code Execution 6.4 0.6177 KEVDisclosedExploited
Patch now CVE-2018-8405 Microsoft Graphics Component Elevation of Privilege 7.0 0.0344 KEVRansomwareExploited
Patch now CVE-2018-8406 Microsoft Graphics Component Elevation of Privilege 7.0 0.0344 KEVRansomwareExploited
Urgent CVE-2018-8355 Microsoft Scripting Engine Remote Code Execution 4.2 0.6790 More likely
Urgent CVE-2018-8353 Microsoft Scripting Engine Remote Code Execution 6.4 0.6734 More likely
Urgent CVE-2018-8389 Microsoft Scripting Engine Remote Code Execution 6.4 0.3035 More likely
Urgent CVE-2018-8266 Microsoft Scripting Engine Remote Code Execution 4.2 0.2868 More likely
Urgent CVE-2018-8372 Microsoft Scripting Engine Remote Code Execution 4.2 0.2628 More likely
Urgent CVE-2018-8344 Microsoft Graphics Component Remote Code Execution 7.8 0.2298 More likely
Urgent CVE-2018-8371 Microsoft Scripting Engine Remote Code Execution 6.4 0.1538 More likely
Urgent CVE-2018-8381 Microsoft Scripting Engine Remote Code Execution 4.2 0.1538 More likely
Urgent CVE-2018-8385 Microsoft Scripting Engine Remote Code Execution 7.5 0.1517 More likely
Urgent CVE-2018-8345 Microsoft Windows Remote Code Execution 7.5 0.1490 More likely
Urgent CVE-2018-8403 Microsoft Browsers Remote Code Execution 4.2 0.1337 More likely
Urgent CVE-2018-8401 Microsoft Graphics Component Elevation of Privilege 7.0 0.0209 More likely
Urgent CVE-2018-8404 Windows Kernel Elevation of Privilege 7.0 0.0122 More likely
High CVE-2018-8349 Windows COM Remote Code Execution 7.0 0.2340 Exploitation Less Likely
High CVE-2018-8360 .NET Framework Information Disclosure n/a 0.0957 Exploitation Less Likely
High CVE-2018-8202 .NET Framework Elevation of Privilege n/a 0.0131 Exploitation Less Likely
High CVE-2018-8343 Windows NDIS Elevation of Privilege 7.0 0.0129 Exploitation Less Likely
High CVE-2018-8339 Windows Installer Elevation of Privilege 7.4 0.0116 Exploitation Less Likely
Routine CVE-2018-8316 Internet Explorer Remote Code Execution 6.4 0.1450 Exploitation Less Likely
Routine CVE-2018-8394 Microsoft Graphics Component Information Disclosure 4.7 0.0851 Exploitation Less Likely
Routine CVE-2018-8398 Microsoft Graphics Component Information Disclosure 4.7 0.0851 Exploitation Less Likely
Routine CVE-2018-8351 Microsoft Browsers Information Disclosure 4.2 0.0839 Exploitation Less Likely
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