Microsoft · Security update · October 9, 2018

KB4462937: October 2018 cumulative update for Windows 10 1703

KB4462937, released October 9, 2018, fixes 24 CVEs across 6 products. One of them is being exploited (CVE-2018-8453); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVKnown ransomware use2 publicly disclosedUnsupported product
CVEs closed
24
6 rated Critical
Exploited
1
CVE-2018-8453
Exploitation more likely
9
Vendor assessment
Highest EPSS
0.7004
99th percentile

Priority of the 24 CVEs

Patch now 1 Urgent 12 High 2 Routine 9

Applies to

ProductBuild after install
Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems15063.1387
Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems15063.1387
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for 32-bit Systems15063.1387
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for x64-based Systems15063.1387
Windows 10 Version 1703 for 32-bit Systems15063.1387
Windows 10 Version 1703 for x64-based Systems15063.1387

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2018-8453 Microsoft Graphics Component Elevation of Privilege 7.0 0.7004 KEVRansomwareExploited
Urgent CVE-2018-8413 Windows Shell Remote Code Execution 5.0 0.4625 More likely
Urgent CVE-2018-8494 Microsoft XML Core Services Remote Code Execution 7.5 0.2209 Exploitation Less Likely
Urgent CVE-2018-8460 Internet Explorer Remote Code Execution 7.5 0.2067 More likely
Urgent CVE-2018-8505 Microsoft Scripting Engine Remote Code Execution 4.2 0.1423 More likely
Urgent CVE-2018-8491 Internet Explorer Remote Code Execution 7.5 0.1279 More likely
Urgent CVE-2018-8489 Windows Hyper-V Remote Code Execution 7.6 0.0440 Exploitation Less Likely
Urgent CVE-2018-8490 Windows Hyper-V Remote Code Execution 7.6 0.0413 Exploitation Less Likely
Urgent CVE-2018-8411 Microsoft Windows Elevation of Privilege 7.0 0.0307 More likely
Urgent CVE-2018-8492 Device Guard Security Feature Bypass 5.3 0.0210 More likely
Urgent CVE-2018-8333 Microsoft Windows Elevation of Privilege 7.0 0.0187 More likely
Urgent CVE-2018-8486 Microsoft Graphics Component Information Disclosure 4.7 0.0175 More likely
Urgent CVE-2018-8497 Windows Kernel Elevation of Privilege 7.8 0.0111 DisclosedMore likely
High CVE-2018-8423 Microsoft JET Database Engine Remote Code Execution 7.8 0.3215 DisclosedExploitation Less Likely
High CVE-2018-8484 Microsoft Graphics Component Elevation of Privilege 7.0 0.0118 Exploitation Less Likely
Routine CVE-2018-8495 Windows Shell Remote Code Execution 4.2 0.5101 N/A
Routine CVE-2018-8472 Microsoft Graphics Component Information Disclosure 4.7 0.1887 Exploitation Less Likely
Routine CVE-2018-8503 Microsoft Scripting Engine Remote Code Execution 4.2 0.1423 Exploitation Less Likely
Routine CVE-2018-8493 Microsoft Windows Information Disclosure 5.9 0.0890 N/A
Routine CVE-2018-8530 Microsoft Edge Security Feature Bypass 4.3 0.0547 Exploitation Less Likely
Routine CVE-2018-8481 Windows Media Player Information Disclosure 3.5 0.0500 Exploitation Less Likely
Routine CVE-2018-8482 Windows Media Player Information Disclosure 3.5 0.0500 Exploitation Less Likely
Routine CVE-2018-8512 Microsoft Edge Security Feature Bypass 4.2 0.0345 Exploitation Less Likely
Routine CVE-2018-8330 Windows Kernel Information Disclosure 4.7 0.0254 Exploitation Less Likely
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