Microsoft · Security update · August 14, 2018

KB4343899: August 2018 security update

KB4343899, released August 14, 2018, fixes 15 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

UrgentUnsupported product
CVEs closed
15
3 rated Critical
Exploited
0
None reported
Exploitation more likely
3
Vendor assessment
Highest EPSS
0.6752
99th percentile

Priority of the 15 CVEs

Patch now 0 Urgent 4 High 5 Routine 6

Applies to

Product
Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1
Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1
Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Urgent CVE-2018-8397 Microsoft Graphics Component Remote Code Execution 8.8 0.6752 N/A
Urgent CVE-2018-8344 Microsoft Graphics Component Remote Code Execution 7.8 0.2298 More likely
Urgent CVE-2018-8345 Microsoft Windows Remote Code Execution 7.5 0.1490 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-2018-8346 Microsoft Windows Remote Code Execution 7.5 0.1997 N/A
High CVE-2018-8342 Windows RNDIS Elevation of Privilege 7.0 0.0129 N/A
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-2018-8341 Windows Kernel Information Disclosure 4.7 0.0285 Exploitation Less Likely
Routine CVE-2018-8396 Microsoft Graphics Component Information Disclosure 4.7 0.0264 N/A
Routine CVE-2018-8348 Windows Kernel Information Disclosure 4.7 0.0235 Exploitation Less Likely
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