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Fencer Vulns
high 7.0

CVE-2023-36403 json

Windows Kernel Elevation of Privilege Vulnerability

published 2023-11-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-40369

cvss
7.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

Windows Kernel Elevation of Privilege Vulnerability

Patch / fix

  • Microsoft Windows 10 Version 1809 10.0.17763.5122
  • Microsoft Windows Server 2019 10.0.17763.5122
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.5122
  • Microsoft Windows Server 2022 10.0.20348.2113
  • Microsoft Windows 11 version 21H2 10.0.22000.2600
  • Microsoft Windows 10 Version 21H2 10.0.19043.3693
  • Microsoft Windows 11 version 22H2 10.0.22621.2715
  • Microsoft Windows 10 Version 22H2 10.0.19045.3693
  • Microsoft Windows 11 version 22H3 10.0.22631.2715
  • Microsoft Windows 11 Version 23H2 10.0.22631.2715
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.531
  • Microsoft Windows 10 Version 1507 10.0.10240.20308
  • Microsoft Windows 10 Version 1607 10.0.14393.6452
  • Microsoft Windows Server 2016 10.0.14393.6452
  • Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.6452
  • Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22367
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.22367
  • Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22367
  • Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.26816
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.26816
  • Microsoft Windows Server 2012 6.2.9200.24569
  • Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.24569
  • Microsoft Windows Server 2012 R2 6.3.9600.21668
  • Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.21668

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Windows 10 Version 1809
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)
  • Microsoft Windows Server 2022
  • Microsoft Windows 11 version 21H2
  • Microsoft Windows 10 Version 21H2
  • Microsoft Windows 11 version 22H2
  • Microsoft Windows 10 Version 22H2
  • Microsoft Windows 11 version 22H3
  • Microsoft Windows 11 Version 23H2
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
  • Microsoft Windows 10 Version 1507
  • Microsoft Windows 10 Version 1607
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2016 (Server Core installation)
  • Microsoft Windows Server 2008 Service Pack 2
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
  • Microsoft Windows Server 2008 Service Pack 2
  • Microsoft Windows Server 2008 R2 Service Pack 1
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 (Server Core installation)
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012 R2 (Server Core installation)

Classification

Weakness
  • CWE-591 Sensitive Data Storage in Improperly Locked Memory

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.