Microsoft (Windows) Data Breach
Microsoft (Windows) experienced a data breach that was reported on April 17, 2025. Microsoft Windows Common Log File System (CLFS) Driver contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.
Key Facts
- Organization
- Microsoft (Windows)
- Date Reported
- April 17, 2025
- Incident Type
- ransomware
- Industry
- Technology
- Severity Score
- 6/10
- Confidence Level
- high
- Tags
Source
View original source - External link to primary source documentation
Understanding ransomware Incidents
Ransomware attacks encrypt organizational data and demand payment for recovery. They often involve data exfiltration before encryption, enabling double extortion. Organizations should maintain offline backups and incident response plans.