CVE-2026-47652 Details
Description
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
A vulnerability allowing out-of-bounds read has been identified in Windows Hyper-V. This issue enables an unauthorized attacker to execute code locally. The vulnerability arises from a heap-based buffer overflow, where the hypervisor mishandles memory operations, allowing the attacker to run malicious code within a virtualized environment.
Users can apply the security update for this vulnerability, which is available through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles KB5095051 for Windows 11 and KB5094125 for Windows Server 2025.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 10, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47652 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-122 | Heap-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 11 23h2 | < 10.0.22631.7219 |
CPE
Remediation
| |
| microsoft windows 11 24h2 | < 10.0.26100.8655 |
CPE
Remediation
| |
| microsoft windows 11 25h2 | < 10.0.26200.8655 |
CPE
Remediation
| |
| microsoft windows 11 26h1 | < 10.0.28000.2269 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.5256 |
CPE
Remediation
| |
| microsoft windows server 2025 | < 10.0.26100.32995 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jul 9, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 10, 2026 | Initial Analysis | [email protected] |
| Jun 9, 2026 | New CVE Received | [email protected] |