Microsoft · Security update · July 14, 2020

KB4558998: July 2020 cumulative update for Windows 10 1809

KB4558998, released July 14, 2020, fixes 86 CVEs across 13 products. One of them is being exploited (CVE-2020-1350); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV1 publicly disclosed
CVEs closed
86
8 rated Critical
Exploited
1
CVE-2020-1350
Exploitation more likely
4
Vendor assessment
Highest EPSS
0.9672
99th percentile

Priority of the 86 CVEs

Patch now 1 Urgent 9 High 57 Routine 19

Applies to

ProductBuild after install
Internet Explorer 11 on Windows 10 Version 1809 for 32-bit Systems17763.1339
Internet Explorer 11 on Windows 10 Version 1809 for ARM64-based Systems17763.1339
Internet Explorer 11 on Windows 10 Version 1809 for x64-based Systems17763.1339
Internet Explorer 11 on Windows Server 201917763.1339
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems17763.1339
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems17763.1339
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems17763.1339
Microsoft Edge (EdgeHTML-based) on Windows Server 201917763.1339
Windows 10 Version 1809 for 32-bit Systems17763.1339
Windows 10 Version 1809 for ARM64-based Systems17763.1339
Windows 10 Version 1809 for x64-based Systems17763.1339
Windows Server 201917763.1339
Windows Server 2019 (Server Core installation)17763.1339

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2020-1350 Microsoft Windows Remote Code Execution 10.0 0.9672 KEVExploited
Urgent CVE-2020-1421 Microsoft Windows Remote Code Execution 7.5 0.7450 Exploitation Less Likely
Urgent CVE-2020-1436 Microsoft Graphics Component Remote Code Execution 6.3 0.2128 Exploitation Less Likely
Urgent CVE-2020-1435 Microsoft Graphics Component Remote Code Execution 6.3 0.1373 Exploitation Less Likely
Urgent CVE-2020-1409 Microsoft Graphics Component Remote Code Execution 7.8 0.1169 Exploitation Less Likely
Urgent CVE-2020-1410 Microsoft Windows Remote Code Execution 7.8 0.1154 Exploitation Less Likely
Urgent CVE-2020-1403 Microsoft Scripting Engine Remote Code Execution 7.5 0.1045 More likely
Urgent CVE-2020-1374 Microsoft Windows Remote Code Execution 7.5 0.0914 More likely
Urgent CVE-2020-1426 Windows Kernel Information Disclosure 5.5 0.0131 More likely
Urgent CVE-2020-1399 Microsoft Windows Elevation of Privilege 7.8 0.0076 More likely
High CVE-2020-1400 Microsoft JET Database Engine Remote Code Execution 7.8 0.2373 Exploitation Less Likely
High CVE-2020-1412 Microsoft Graphics Component Remote Code Execution 7.5 0.1398 Exploitation Less Likely
High CVE-2020-1401 Microsoft JET Database Engine Remote Code Execution 7.8 0.1313 Exploitation Less Likely
High CVE-2020-1407 Microsoft JET Database Engine Remote Code Execution 7.8 0.1089 Exploitation Less Likely
High CVE-2020-1375 Microsoft Windows Elevation of Privilege 7.8 0.0707 Exploitation Less Likely
High CVE-2020-1408 Microsoft Graphics Component Remote Code Execution 8.8 0.0564 Exploitation Less Likely
High CVE-2020-1362 Windows WalletService Elevation of Privilege 7.8 0.0254 Exploitation Less Likely
High CVE-2020-1424 Windows Update Stack Elevation of Privilege 7.8 0.0141 Exploitation Less Likely
High CVE-2020-1418 Microsoft Windows Elevation of Privilege 7.8 0.0104 Exploitation Less Likely
High CVE-2020-1344 Windows WalletService Elevation of Privilege 7.8 0.0097 Exploitation Less Likely
High CVE-2020-1369 Windows WalletService Elevation of Privilege 7.8 0.0097 Exploitation Less Likely
High CVE-2020-1429 Microsoft Windows Elevation of Privilege 7.0 0.0096 Exploitation Less Likely
High CVE-2020-1336 Windows Kernel Elevation of Privilege 7.8 0.0094 Exploitation Less Likely
High CVE-2020-1393 Microsoft Windows Elevation of Privilege 7.8 0.0094 Exploitation Less Likely
High CVE-2020-1411 Windows Kernel Elevation of Privilege 7.8 0.0092 Exploitation Less Likely
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