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CVE-2022-21847
Windows Hyper-V Denial of Service Vulnerability
Medium6.5EPSS 1.0%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
Windows Hyper-V Denial of Service Vulnerability
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | Medium6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.0% · top 36% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
- Denial of Service
Affected products
Microsoft · Windows 10 Version 1809
- affected 10.0.17763.0 – < 10.0.17763.2452
Microsoft · Windows Server 2019
- affected 10.0.17763.0 – < 10.0.17763.2452
Microsoft · Windows Server 2019 (Server Core installation)
- affected 10.0.17763.0 – < 10.0.17763.2452
Microsoft · Windows 10 Version 1909
- affected 10.0.0 – < 10.0.18363.2037
Microsoft · Windows 10 Version 21H1
- affected 10.0.0 – < 10.0.19043.1466
Microsoft · Windows Server 2022
- affected 10.0.20348.0 – < 10.0.20348.469
Microsoft · Windows Server version 20H2
- affected 10.0.0 – < 10.0.19042.1466
Microsoft · Windows 11 version 21H2
- affected 10.0.0 – < 10.0.22000.434
Microsoft · Windows 10 Version 21H2
- affected 10.0.19043.0 – < 10.0.19044.1466
References (2)
- Windows Hyper-V Denial of Service Vulnerability (opens in a new tab)vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21847 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-21847)Record last updated .