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
Microsoft's 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
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| 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 |
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