Microsoft (Windows) Data Breach
Microsoft (Windows) experienced a data breach that was reported on December 9, 2025. Microsoft Windows Cloud Files Mini Filter Driver contains a use after free vulnerability that can allow an authorized attacker to elevate privileges locally.
Key Facts
- Organization
- Microsoft (Windows)
- Date Reported
- December 9, 2025
- Incident Type
- unknown
- Industry
- Technology
- Severity Score
- 5/10
- Confidence Level
- high
Source
View original source - External link to primary source documentation
Understanding unknown Incidents
Data breaches can result in significant financial, operational, and reputational damage. Organizations should implement defense-in-depth strategies and maintain incident response capabilities.