Microsoft · Security update · October 8, 2019

KB4520003: October 2019 security update

KB4520003, released October 8, 2019, fixes 21 CVEs across 5 products. One of them is being exploited (CVE-2019-1315); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVKnown ransomware useUnsupported product
CVEs closed
21
1 rated Critical
Exploited
1
CVE-2019-1315
Exploitation more likely
2
Microsoft's assessment
Highest EPSS
0.7593
99th percentile

Priority of the 21 CVEs

Patch now 1 Urgent 2 High 11 Routine 7

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2019-1315 Microsoft WindowsElevation of Privilege7.8 0.0348 KEVRansomwareExploited
Urgent CVE-2019-1333 Windows RDPRemote Code Execution7.5 0.1598 More likely
Urgent CVE-2019-1341 Microsoft WindowsElevation of Privilege7.8 0.0109 More likely
High CVE-2019-1358 Microsoft JET Database EngineRemote Code Execution7.8 0.7593 Exploitation Less Likely
High CVE-2019-1359 Microsoft JET Database EngineRemote Code Execution7.8 0.1927 Exploitation Less Likely
High CVE-2019-1326 Windows RDPDenial of Service7.5 0.0646 Exploitation Less Likely
High CVE-2019-1365 Windows IISElevation of Privilege7.5 0.0435 Exploitation Less Likely
High CVE-2019-1318 Microsoft WindowsSpoofing7.7 0.0352 Exploitation Less Likely
High CVE-2019-1364 Microsoft Graphics ComponentElevation of Privilege7.0 0.0288 N/A
High CVE-2019-1362 Microsoft Graphics ComponentElevation of Privilege7.0 0.0155 N/A
High CVE-2019-1339 Microsoft WindowsElevation of Privilege7.8 0.0132 None reported
High CVE-2019-1342 Microsoft WindowsElevation of Privilege7.0 0.0118 Exploitation Less Likely
High CVE-2019-1319 Microsoft WindowsElevation of Privilege7.0 0.0097 Exploitation Less Likely
High CVE-2019-1454 Microsoft WindowsElevation of Privilegen/a 0.0064 Exploitation Less Likely
Routine CVE-2019-1166 Windows NTLMTampering5.9 0.6811 Exploitation Less Likely
Routine CVE-2019-1346 Microsoft WindowsDenial of Service5.7 0.1093 Exploitation Less Likely
Routine CVE-2019-1361 Microsoft Graphics ComponentInformation Disclosure5.5 0.0690 N/A
Routine CVE-2019-1338 Microsoft WindowsSecurity Feature Bypass5.3 0.0356 N/A
Routine CVE-2019-1344 Microsoft WindowsInformation Disclosure5.5 0.0307 Exploitation Less Likely
Routine CVE-2019-1363 Microsoft Graphics ComponentInformation Disclosure5.5 0.0216 N/A
Routine CVE-2019-1325 Microsoft WindowsDenial of Service5.5 0.0144 Exploitation Unlikely
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