Microsoft · Security update · July 13, 2021

KB5005563: July 2021 security update

KB5005563, released July 13, 2021, fixes 5 CVEs across 14 products. 2 of them are being exploited (CVE-2021-40444); 2 on CISA KEV. Patch Radar priority: Patch now.

Patch now2 on CISA KEVKnown ransomware use1 publicly disclosed
CVEs closed
5
2 rated Critical
Exploited
2
CVE-2021-40444
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.9784
99th percentile

Priority of the 5 CVEs

Patch now 2 Urgent 1 High 1 Routine 1

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2021-40444 Windows MSHTML Platform Remote Code Execution 8.8 0.9784 KEVRansomwareDisclosedExploited
Patch now CVE-2021-34448 Microsoft Scripting Engine Remote Code Execution 6.8 0.4006 KEVExploited
Urgent CVE-2021-34497 Windows MSHTML Platform Remote Code Execution 6.8 0.0215 Exploitation Less Likely
High CVE-2021-34446 Windows HTML Platform Security Feature Bypass 8.0 0.0205 Exploitation Less Likely
Routine CVE-2021-34447 Windows MSHTML Platform Remote Code Execution 6.8 0.0205 Exploitation Less Likely
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