CVE-2026-96945
HIGHCVSS 7.5/10
Last modified
CVE-2026-96945 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network..
Description
Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Server 2019 | >= 10.0.17763.0, < 10.0.17763.9376 |
| Microsoft | Windows Server 2019 (Server Core installation) | >= 10.0.17763.0, < 10.0.17763.9376 |
| Microsoft | Windows Server 2022 | >= 10.0.20348.0, < 10.0.20348.5761 |
| Microsoft | Windows Server 2025 | >= 10.0.26100.0, < 10.0.26100.33650 |
| Microsoft | Windows Server 2025 (Server Core installation) | >= 10.0.26100.0, < 10.0.26100.33650 |
References
Timeline
- Published
- Last Modified
- Status
- Undergoing Analysis
Frequently Asked Questions
What is CVE-2026-96945?
Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.
How severe is CVE-2026-96945?
CVE-2026-96945 has a CVSS score of 7.5/10 (HIGH severity).
How do I fix CVE-2026-96945?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-96938Heap-based buffer overflow in Windows Distributed File Syste…6.7
- CVE-2026-96939Time-of-check time-of-use (toctou) race condition in Servici…7
- CVE-2026-9694GitLab has remediated an issue in GitLab CE/EE affecting all…4.3
- CVE-2026-96940Weak authentication in Microsoft Exchange Server allows an a…8.8
- CVE-2026-96943Integer overflow or wraparound in Windows Raw Image Extensio…8.8
- CVE-2026-96944Insertion of sensitive information into externally-accessibl…5.5
- CVE-2026-96946Use after free in Windows Universal Disk Format File System …7.8
- CVE-2026-96947Use after free in Windows Universal Disk Format File System …7.8
- CVE-2026-96948Exposure of sensitive information to an unauthorized actor i…5.5
- CVE-2026-96949Use after free in Windows Universal Disk Format File System …7
- CVE-2026-9695An Improper Authentication vulnerability affecting DELMIA Ap…9.8
- CVE-2026-96950Use after free in Windows Universal Disk Format File System …7.8
Are you affected by CVE-2026-96945?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
