CVE-2026-25170
HIGHCVSS 7/10EPSS 0.29%
Last modified
CVE-2026-25170 is a high-severity vulnerability rated 7/10 on the CVSS scale. Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 23h2 | < 10.0.22631.6783 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.7979 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.7979 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.1719 |
| Microsoft | Windows Server 2022 | < 10.0.20348.4830 |
| Microsoft | Windows Server 2022 23h2 | < 10.0.25398.2207 |
| Microsoft | Windows Server 2025 | < 10.0.26100.32463 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-25170?
Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-25170?
CVE-2026-25170 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2026-25170?
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-2026-25165Null pointer dereference in Windows Performance Counters all…7.8
- CVE-2026-25166Deserialization of untrusted data in Windows System Image Ma…7.8
- CVE-2026-25167Use after free in Microsoft Brokering File System allows an …7.4
- CVE-2026-25168Null pointer dereference in Microsoft Graphics Component all…5.5
- CVE-2026-25169Divide by zero in Microsoft Graphics Component allows an una…5.5
- CVE-2026-2517A security flaw has been discovered in Open5GS up to 2.7.6. …7.5
- CVE-2026-25171Use after free in Windows Authentication Methods allows an a…7
- CVE-2026-25172Integer overflow or wraparound in Windows Routing and Remote…8
- CVE-2026-25173Integer overflow or wraparound in Windows Routing and Remote…8
- CVE-2026-25174Out-of-bounds read in Windows Extensible File Allocation all…7.8
- CVE-2026-25175Out-of-bounds read in Windows NTFS allows an authorized atta…7.8
- CVE-2026-25176Improper access control in Windows Ancillary Function Driver…7.8
Are you affected by CVE-2026-25170?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST