CVE-2026-88100
HIGHCVSS 7.8/10EPSS 0.32%
Last modified
CVE-2026-88100 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Use after free in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
Use after free in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 24h2 | < 10.0.26100.9711 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.9711 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.3231 |
| Microsoft | Windows 11 26h2 | < 10.0.26300.9711 |
| Microsoft | Windows Server 2025 | < 10.0.26100.33650 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88100Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-88100?
Use after free in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-88100?
CVE-2026-88100 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2026-88100?
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-2026-88094Improper neutralization of special elements in output used b…8.1
- CVE-2026-88096Concurrent execution using shared resource with improper syn…7
- CVE-2026-88097Use after free in Microsoft Edge (Chromium-based) allows an …7.8
- CVE-2026-88098Untrusted pointer dereference in Windows Security Support Pr…7
- CVE-2026-88099Uncaught exception in Windows Failover Cluster allows an una…5.9
- CVE-2026-8810On ARM platforms, a vulnerability in the architecture design…6.9
- CVE-2026-88101Weak authentication in Microsoft Input Method Editor (IME) a…7.8
- CVE-2026-88102Use after free in Windows Failover Cluster allows an unautho…9.8
- CVE-2026-88103Use after free in Windows Broadcast DVR User Service allows …7
- CVE-2026-88105Use after free in Windows Broadcast DVR User Service allows …7.8
- CVE-2026-88106Use after free in Windows Cloud Files Mini Filter Driver all…7
- CVE-2026-88107Use after free in Windows Cloud Files Mini Filter Driver all…7
Are you affected by CVE-2026-88100?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST