Microsoft Windows 10 Version 1809

CVE-2023-21674

HIGH 8.8CISA KEV ↗Exploited per ENISA since 2023-01-10

At a glance

Source: NVD
EPSS: EPSS 34.21 % · percentile 98 (2026-10-29)
State: PUBLISHED
Published: 2023-01-10 00:00 UTC
Updated: 2025-10-21 23:15 UTC
Assigner: microsoft
NVD status: Analyzed

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Description

Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

Weaknesses (CWE)

CWE-416 — Use After Free

References

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 8.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C	microsoft
CVSS 3.1	HIGH 8.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	NVD · secure@microsoft.com (Secondary)

European references

ENISA EUVD · EUVD-2023-25841
GCVE · GCVE-0-2023-21674

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_1507:*:*:*:*:*:*:*:* < 10.0.10240.19685
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:* < 10.0.14393.5648
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* < 10.0.17763.3887
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* < 10.0.19042.2486
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* < 10.0.19044.2486
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* < 10.0.19045.2486
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* < 10.0.22000.1455
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* < 10.0.22621.1105
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* < 10.0.14393.5648
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* < 10.0.17763.3887
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* < 10.0.20348.1487

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 8.1	affected 6.3.0 < 6.3.9600.20778
Microsoft · Windows Server 2012 R2	affected 6.3.9600.0 < 6.3.9600.20778
Microsoft · Windows Server 2012 R2 (Server Core installation)	affected 6.3.9600.0 < 6.3.9600.20778

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
CISA Known Exploited Vulnerabilities	CC0 1.0
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