CVE-2023-21747

At a glance

Severity: HIGH 7.8
EPSS: EPSS 0.85 % · percentile 58 (2026-10-27)
State: PUBLISHED
Published: 2023-01-10
Updated: 2025-01-01
Assigner: microsoft
NVD status: Modified

Description

Windows Kernel Elevation of Privilege Vulnerability

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 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	microsoft
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · secure@microsoft.com (Secondary)

Weaknesses (CWE)

CWE-416

European references

ENISA EUVD · EUVD-2023-25914
GCVE · GCVE-0-2023-21747

CERT-FR advisories

CERTFR-2023-AVI-0022 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_20h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_20h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_20h2:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_11_21h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_21h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_22h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_22h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*

Affected products

Product	Versions
Microsoft · Windows 10 Version 1809	affected 10.0.17763.0 < 10.0.17763.3887
Microsoft · Windows 10 Version 1809	affected 10.0.0 < 10.0.17763.3887
Microsoft · Windows Server 2019	affected 10.0.17763.0 < 10.0.17763.3887
Microsoft · Windows Server 2019 (Server Core installation)	affected 10.0.17763.0 < 10.0.17763.3887
Microsoft · Windows Server 2022	affected 10.0.20348.0 < 10.0.20348.1487
Microsoft · Windows 10 Version 20H2	affected 10.0.0 < 10.0.19042.2486
Microsoft · Windows 11 version 21H2	affected 10.0.0 < 10.0.22000.1455
Microsoft · Windows 10 Version 21H2	affected 10.0.19043.0 < 10.0.19044.2486
Microsoft · Windows 11 version 22H2	affected 10.0.22621.0 < 10.0.22621.1105
Microsoft · Windows 10 Version 22H2	affected 10.0.19045.0 < 10.0.19045.2486
Microsoft · Windows 10 Version 1507	affected 10.0.10240.0 < 10.0.10240.19685
Microsoft · Windows 10 Version 1607	affected 10.0.14393.0 < 10.0.14393.5648
Microsoft · Windows Server 2016	affected 10.0.14393.0 < 10.0.14393.5648
Microsoft · Windows Server 2016 (Server Core installation)	affected 10.0.14393.0 < 10.0.14393.5648
Microsoft · Windows 7	affected 6.1.0 < 6.1.7601.26321
Microsoft · Windows 7 Service Pack 1	affected 6.1.0 < 6.1.7601.26321
Microsoft · Windows 8.1	affected 6.3.0 < 6.3.9600.20778
Microsoft · Windows Server 2008 Service Pack 2	affected 6.0.6003.0 < 6.0.6003.21872
Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)	affected 6.0.6003.0 < 6.0.6003.21872
Microsoft · Windows Server 2008 Service Pack 2	affected 6.0.6003.0 < 6.0.6003.21872

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21747

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD