Microsoft · Security update · April 8, 2025

KB5055515: April 2025 security update

KB5055515, released April 8, 2025, fixes 1 CVE across 10 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Microsoft's assessment
Highest EPSS
0.0078
55th percentile

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
High CVE-2025-27737 Windows Security Zone MappingSecurity Feature Bypass8.6 0.0078 Exploitation Less Likely
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