Microsoft · Security update · November 12, 2019

KB4525250: November 2019 security update

KB4525250, released November 12, 2019, fixes 37 CVEs across 4 products. 2 of them are being exploited (CVE-2019-1405); 2 on CISA KEV. Patch Radar priority: Patch now.

Patch now2 on CISA KEVKnown ransomware use
CVEs closed
37
4 rated Critical
Exploited
2
CVE-2019-1405
Exploitation more likely
7
Vendor assessment
Highest EPSS
0.7479
99th percentile

Priority of the 37 CVEs

Patch now 2 Urgent 11 High 11 Routine 13

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-2019-1405 Microsoft Windows Elevation of Privilege 7.8 0.3017 KEVRansomwareExploited
Patch now CVE-2019-1388 Microsoft Windows Elevation of Privilege 7.8 0.0859 KEVRansomwareExploited
Urgent CVE-2019-1419 Microsoft Graphics Component Remote Code Execution 7.8 0.1161 Exploitation Less Likely
Urgent CVE-2019-0719 Windows Hyper-V Remote Code Execution 8.0 0.1142 Exploitation Less Likely
Urgent CVE-2019-1389 Windows Hyper-V Remote Code Execution 7.6 0.0489 N/A
Urgent CVE-2019-1397 Windows Hyper-V Remote Code Execution 7.6 0.0489 Exploitation Less Likely
Urgent CVE-2019-1393 Microsoft Graphics Component Elevation of Privilege 7.8 0.0142 More likely
Urgent CVE-2019-1408 Microsoft Graphics Component Elevation of Privilege 7.8 0.0142 More likely
Urgent CVE-2019-1394 Microsoft Graphics Component Elevation of Privilege 7.8 0.0121 More likely
Urgent CVE-2019-1395 Microsoft Graphics Component Elevation of Privilege 7.8 0.0121 More likely
Urgent CVE-2019-1396 Microsoft Graphics Component Elevation of Privilege 7.8 0.0121 More likely
Urgent CVE-2019-1435 Microsoft Graphics Component Elevation of Privilege 7.0 0.0093 More likely
Urgent CVE-2019-1438 Microsoft Graphics Component Elevation of Privilege 7.0 0.0089 More likely
High CVE-2019-1456 Graphic Fonts Remote Code Execution 7.8 0.0970 None reported
High CVE-2019-1384 Microsoft Windows Security Feature Bypass 8.5 0.0699 Exploitation Less Likely
High CVE-2019-1424 Microsoft Windows Security Feature Bypass 8.1 0.0307 Exploitation Less Likely
High CVE-2019-1422 Microsoft Windows Elevation of Privilege 7.8 0.0207 Exploitation Less Likely
High CVE-2019-1382 Microsoft Windows Elevation of Privilege 7.8 0.0123 Exploitation Less Likely
High CVE-2019-1433 Microsoft Graphics Component Elevation of Privilege 7.0 0.0094 Exploitation Less Likely
High CVE-2019-1407 Microsoft Graphics Component Elevation of Privilege 7.8 0.0093 N/A
High CVE-2019-1392 Windows Kernel Elevation of Privilege 7.0 0.0089 N/A
High CVE-2019-1434 Microsoft Graphics Component Elevation of Privilege 7.0 0.0089 N/A
High CVE-2019-1415 Microsoft Windows Elevation of Privilege 7.8 0.0084 Exploitation Less Likely
High CVE-2019-1380 Microsoft Windows Elevation of Privilege 7.8 0.0081 Exploitation Less Likely
Routine CVE-2019-1439 Microsoft Graphics Component Information Disclosure 4.7 0.7479 Exploitation Less Likely
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