Vulnerability · Published Nov 14, 2023 · Assigned by microsoft
CVE-2023-36407Windows Hyper-V Elevation of Privilege Vulnerability
High 7.8
In plain English
A high-severity improper input validation in Windows 11 version 21H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 78% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)1.7%top 22.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
Windows Hyper-V Elevation of Privilege Vulnerability
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Server 2022 | 10.0.20348.0 – before 10.0.20348.2113 |
| Microsoft | Windows 11 version 21H2 | 10.0.0 – before 10.0.22000.2600 |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 – before 10.0.22621.2715 |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 – before 10.0.22631.2715 |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 – before 10.0.22631.2715 |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 – before 10.0.25398.531 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Windows Hyper-V Elevation of Privilege Vulnerability vendor-advisory