Microsoft · Security update · June 13, 2017

KB4021558: June 2017 security update

KB4021558, released June 13, 2017, fixes 6 CVEs across 9 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

UrgentUnsupported product
CVEs closed
6
2 rated Critical
Exploited
0
None reported
Exploitation more likely
4
Vendor assessment
Highest EPSS
0.1585
96th percentile

Priority of the 6 CVEs

Patch now 0 Urgent 4 High 0 Routine 2

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Urgent CVE-2016-3326 Microsoft Browsers Information Disclosure 2.4 0.1585 More likely
Urgent CVE-2017-8524 Microsoft Scripting Engine Remote Code Execution 4.2 0.0979 More likely
Urgent CVE-2017-8522 Microsoft Scripting Engine Remote Code Execution 7.5 0.0822 More likely
Urgent CVE-2017-8517 Microsoft Scripting Engine Remote Code Execution 6.4 0.0822 More likely
Routine CVE-2017-8519 Internet Explorer Remote Code Execution 6.4 0.0612 Exploitation Unlikely
Routine CVE-2017-8547 Internet Explorer Information Disclosure 6.4 0.0612 Exploitation Less Likely
Showing 1 to 6 of 6 1