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.
Windowssince 1 d 22 h
Velocity2.5 - 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.
Windowssince 25 d 19 h
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.
Windowssince 39 d 5 h
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.
Windowssince 60 d 19 h
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.
Windowssince 88 d 19 h
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.