Microsoft · Security update · December 18, 2025
KB5074204: December 2025 security update
KB5074204, released December 18, 2025, fixes 1 CVE across 6 products. None of them is reported as exploited. Patch Radar priority: High.
High1 publicly disclosed
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0223
82nd percentile
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2025-54100 | Windows PowerShell | Remote Code Execution | 7.8 | 0.0223 | DisclosedExploitation Less Likely |
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