Microsoft · Security update · April 13, 2021

KB4504727: April 2021 security update

KB4504727, released April 13, 2021, fixes 1 CVE across 3 products. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

HighUnsupported product
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0335
88th percentile

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
High CVE-2021-28454 Microsoft Office Excel Remote Code Execution 7.8 0.0335 Exploitation Less Likely
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