LOWData BreachACTIVE
Krebs on Security: Patch Tuesday, April 2026 Edition
April 14, 2026
Incident Summary
Microsoft released April 2026 Patch Tuesday updates addressing 167 security vulnerabilities. The release included fixes for a SharePoint Server zero-day and a Windows Defender flaw referred to as BlueHammer. The issue matters because unpatched systems using the affected Microsoft products may be vulnerable to exploitation. Limited public details are provided in the signal beyond the patch release and the named flaws.
Incident Details
- Type
- Data Breach
- Severity
- LOW
- Status
- ACTIVE
- Date Occurred
- April 14, 2026
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