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Fencer Vulns
high 7.8

CVE-2023-28246 json

Windows Registry Elevation of Privilege Vulnerability

published 2023-04-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-31954

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

Windows Registry Elevation of Privilege Vulnerability

Patch / fix

  • Microsoft Windows Server 2022 10.0.20348.1668
  • Microsoft Windows 11 version 21H2 10.0.22000.1817
  • Microsoft Windows 11 version 22H2 10.0.22621.1555

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 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
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Windows Server 2022
  • Microsoft Windows 11 version 21H2
  • Microsoft Windows 11 version 22H2

Classification

Weakness

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.