Microsoft · Security update · June 8, 2021
KB5003636: June 2021 security update
KB5003636, released June 8, 2021, fixes 3 CVEs across 9 products. One of them is being exploited (CVE-2021-33742); 1 on CISA KEV. Patch Radar priority: Patch now.
Patch now1 on CISA KEV
CVEs closed
3
2 rated Critical
Exploited
1
CVE-2021-33742
Exploitation more likely
1
Microsoft's assessment
Highest EPSS
0.5941
99th percentile
Priority of the 3 CVEs
Patch now 1
Urgent 1
High 0
Routine 1
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2021-33742 | Windows MSHTML Platform | Remote Code Execution | 7.5 | 0.5941 | KEVExploited |
| Urgent | CVE-2021-31959 | Microsoft Scripting Engine | Remote Code Execution | 6.4 | 0.0923 | More likely |
| Routine | CVE-2021-31971 | Windows HTML Platform | Security Feature Bypass | 6.8 | 0.0209 | Exploitation Less Likely |
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1
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