Microsoft · Security update · August 11, 2020

KB4571723: August 2020 security update

KB4571723, released August 11, 2020, fixes 55 CVEs across 4 products. One of them is being exploited (CVE-2020-1464); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV1 publicly disclosed
CVEs closed
55
5 rated Critical
Exploited
1
CVE-2020-1464
Exploitation more likely
3
Vendor assessment
Highest EPSS
0.3895
98th percentile

Priority of the 55 CVEs

Patch now 1 Urgent 8 High 41 Routine 5

Applies to

Product
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2020-1464 Microsoft Windows Spoofing 5.3 0.3895 KEVDisclosedExploited
Urgent CVE-2020-1554 Windows Media Remote Code Execution 8.0 0.0346 Exploitation Less Likely
Urgent CVE-2020-1492 Microsoft Video Control Remote Code Execution 7.8 0.0346 Exploitation Less Likely
Urgent CVE-2020-1339 Windows Media Remote Code Execution 7.3 0.0332 Exploitation Less Likely
Urgent CVE-2020-1379 Windows Media Remote Code Execution 7.8 0.0331 Exploitation Less Likely
Urgent CVE-2020-1477 Windows Media Player Remote Code Execution 7.8 0.0251 Exploitation Less Likely
Urgent CVE-2020-1529 Microsoft Graphics Component Elevation of Privilege 7.8 0.0090 More likely
Urgent CVE-2020-1584 Microsoft Windows Elevation of Privilege 7.8 0.0090 More likely
Urgent CVE-2020-1587 Microsoft Windows Elevation of Privilege 7.8 0.0086 More likely
High CVE-2020-1337 Windows Print Spooler Components Elevation of Privilege 7.8 0.1418 Exploitation Less Likely
High CVE-2020-1558 Microsoft JET Database Engine Remote Code Execution n/a 0.0418 Exploitation Less Likely
High CVE-2020-1562 Microsoft Graphics Component Remote Code Execution 7.8 0.0403 Exploitation Less Likely
High CVE-2020-1564 Microsoft JET Database Engine Remote Code Execution n/a 0.0403 Exploitation Less Likely
High CVE-2020-1466 Windows RDP Denial of Service 7.5 0.0395 N/A
High CVE-2020-1557 Microsoft JET Database Engine Remote Code Execution n/a 0.0393 Exploitation Less Likely
High CVE-2020-1378 Windows Registry Elevation of Privilege 7.8 0.0386 Exploitation Less Likely
High CVE-2020-1467 Microsoft Windows Elevation of Privilege 7.8 0.0355 Exploitation Less Likely
High CVE-2020-1509 Microsoft Windows Elevation of Privilege 8.8 0.0326 Exploitation Less Likely
High CVE-2020-1473 Microsoft JET Database Engine Remote Code Execution 7.8 0.0280 Exploitation Less Likely
High CVE-2020-1478 Windows Media Player Remote Code Execution 7.8 0.0268 Exploitation Less Likely
High CVE-2020-1565 Windows Shell Elevation of Privilege n/a 0.0251 Exploitation Less Likely
High CVE-2020-1552 Microsoft Windows Elevation of Privilege n/a 0.0236 Exploitation Less Likely
High CVE-2020-1377 Windows Registry Elevation of Privilege 7.8 0.0151 Exploitation Less Likely
High CVE-2020-1475 Microsoft Windows Elevation of Privilege 7.0 0.0115 Exploitation Less Likely
High CVE-2020-1470 Microsoft Windows Elevation of Privilege 7.8 0.0113 Exploitation Less Likely
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