CVE-2026-47652
HIGHCVSS 8.2/10EPSS 0.34%
Last modified
CVE-2026-47652 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
Description
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 23h2 | < 10.0.22631.7219 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.8655 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.8655 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.2269 |
| Microsoft | Windows Server 2022 | < 10.0.20348.5256 |
| Microsoft | Windows Server 2025 | < 10.0.26100.32995 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-47652?
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
How severe is CVE-2026-47652?
CVE-2026-47652 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2026-47652?
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-2026-47644Improper neutralization of special elements in output used b…7.5
- CVE-2026-47645Url redirection to untrusted site ('open redirect') in Micro…8.8
- CVE-2026-47646Improper neutralization of input during web page generation …6.1
- CVE-2026-47647Improper access control in Microsoft Dynamics 365 allows an …9.9
- CVE-2026-47648Untrusted search path in Windows Storage allows an authorize…7
- CVE-2026-4765Stored Cross-Site Scripting (XSS) vulnerability in the RD St…5.1
- CVE-2026-47653Use after free in Remote Desktop Client allows an unauthoriz…8.8
- CVE-2026-47654Use after free in Remote Desktop Client allows an unauthoriz…7.5
- CVE-2026-47655Exposure of sensitive information to an unauthorized actor i…6.5
- CVE-2026-47656Protection mechanism failure in Windows Boot Manager allows …7.9
- CVE-2026-47657HumHub is an Open Source Enterprise Social Network. In versi…7.1
- CVE-2026-47659Pathling is a set of tools that make it easier to use FHIR a…8.7
Are you affected by CVE-2026-47652?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST