Skip to content
Fencer Vulns
high 8.8

CVE-2022-23257 json

Windows Hyper-V Remote Code Execution Vulnerability

published 2022-04-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-28344

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

Windows Hyper-V Remote Code Execution Vulnerability

Patch / fix

  • Microsoft Windows 11 version 22H2 10.0.22621.1413
  • Microsoft Windows 10 Version 21H1 10.0.19043.1645
  • Microsoft Windows Server 2022 10.0.20348.643
  • Microsoft Windows Server version 20H2 10.0.19042.1645
  • Microsoft Windows 11 version 21H2 10.0.22000.613
  • Microsoft Windows 10 Version 21H2 10.0.19044.1645

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 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
CNA 3.1 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Microsoft Windows 11 version 22H2
  • Microsoft Windows 10 Version 21H1
  • Microsoft Windows Server 2022
  • Microsoft Windows Server version 20H2
  • Microsoft Windows 11 version 21H2
  • Microsoft Windows 10 Version 21H2

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.