Windows
Operating SystemsMicrosoft Windows OS, Windows Server, and Hyper-V platform.
www.microsoft.com/windows30-day hazard rating
- Incidents (30d)
- 2
- Severity-weighted volume
- 4.0
- Critical / high (clustered)
- 1 / 0
- Avg time to resolve
- n/a
Volume of incidents (weighted by severity) over the last 30 days, raised when fixes are slow. 1 = calm, 10 = constant breakage.
- Incidents, 30 days
- 2
- +100%vs prior 30 days
- Reports, 30 days
- 2
- Active advisories
- 5
- Regression lifespan
- n/a
- nothing resolved yet
Incidents per day, last 30 days
View as table
| Date | Incidents | Reports |
|---|---|---|
| 2026-11-07 | 0 | 0 |
| 2026-11-06 | 0 | 0 |
| 2026-11-05 | 1 | 1 |
| 2026-11-04 | 0 | 0 |
| 2026-11-03 | 0 | 0 |
| 2026-11-02 | 0 | 0 |
| 2026-11-01 | 0 | 0 |
| 2026-10-31 | 0 | 0 |
| 2026-10-30 | 0 | 0 |
| 2026-10-29 | 0 | 0 |
| 2026-10-28 | 0 | 0 |
| 2026-10-27 | 0 | 0 |
| 2026-10-26 | 0 | 0 |
| 2026-10-25 | 0 | 0 |
| 2026-10-24 | 0 | 0 |
| 2026-10-23 | 0 | 0 |
| 2026-10-22 | 0 | 0 |
| 2026-10-21 | 0 | 0 |
| 2026-10-20 | 0 | 0 |
| 2026-10-19 | 0 | 0 |
| 2026-10-18 | 0 | 0 |
| 2026-10-17 | 0 | 0 |
| 2026-10-16 | 0 | 0 |
| 2026-10-15 | 0 | 0 |
| 2026-10-14 | 0 | 0 |
| 2026-10-13 | 1 | 1 |
| 2026-10-12 | 0 | 0 |
| 2026-10-11 | 0 | 0 |
| 2026-10-10 | 0 | 0 |
| 2026-10-09 | 0 | 0 |
Active advisories
- minorInvestigating
Remote code execution vulnerability in Microsoft Paint
A technical incident affecting users of Microsoft Paint on Windows 11 resulted in the application crashing. No specific version or configuration is mentioned, but it affects all affected versions.
Windows2 days ago
Velocity2.8 - criticalInvestigating
Microsoft Windows: CVE-2026-96951 (Command Injection)
A critical security vulnerability in Microsoft Windows has been identified. Affected systems should apply the recommended mitigations as per vendor instructions and CISA guidance to prevent command injection attacks.
Windows26 days ago
Velocity0.1 - minorInvestigating
Windows and macOS both use thread slot 0x20, so fiber games crash under Wine
A regression in the Wine compatibility layer causes certain games to crash on Windows when running on macOS due to a shared thread slot issue.
Windows1 month ago
Velocity0.0 - highInvestigating
Microsoft Windows: CVE-2026-85880 Heap-Based Buffer Overflow
A heap-based buffer overflow vulnerability (CVE-2026-85880) affecting Microsoft Windows has been published. Mitigations should be applied in accordance with vendor instructions and CISA guidance.
Windows2 months ago
Velocity0.0 - highInvestigating
Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability
A use-after-free vulnerability (CVE-2026-68820) has been identified in the Microsoft Windows Ancillary Function Driver for WinSock. Stakeholders must apply vendor mitigations and follow CISA BOD 26-04 guidance.
Windows3 months ago
Velocity0.0
Version hazard notices
No version-specific incidents for Windows in the last 90 days.
Resolved incident history
No resolved incidents on record yet.