CVE-2021-38672 json
Windows Hyper-V Remote Code Execution Vulnerability
published 2021-10-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25111
- cvss
- 9.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
Windows Hyper-V Remote Code Execution Vulnerability
Patch / fix
- Microsoft Windows Server 2022 10.0.20348.288
- Microsoft Windows 11 version 21H2 10.0.22000.258
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
1.09% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
| CNA | 3.1 | 9.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 5.2 | AV:A/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Microsoft Windows Server 2022
- Microsoft Windows 11 version 21H2
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2021-38672
patch, vendor-advisory
Sources
- CVE List CVE-2021-38672
- NVD CVE-2021-38672
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