CVE-2026-21222

Windows Kernel Information Disclosure Vulnerability

En bref

Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.

Version	Score	Vecteur	Évalué par
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C	microsoft
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	NVD · secure@microsoft.com (Secondary)

CERTFR-2026-AVI-0150 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* < 10.0.14393.8868
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* < 10.0.14393.8868
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* < 10.0.17763.8389
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* < 10.0.17763.8389
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* < 10.0.19044.6937
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* < 10.0.19044.6937
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* < 10.0.19044.6937
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* < 10.0.19045.6937
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* < 10.0.19045.6937
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* < 10.0.19045.6937
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* < 10.0.22631.6649
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* < 10.0.22631.6649
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* < 10.0.26100.7781
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* < 10.0.26100.7781
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* < 10.0.14393.8868
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* < 10.0.17763.8389
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* < 10.0.20348.4711
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* < 10.0.25398.2149
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* < 10.0.26100.32313

Produit	Versions
Microsoft · Windows 10 Version 1607	affected 10.0.14393.0 < 10.0.14393.8868
Microsoft · Windows 10 Version 1809	affected 10.0.17763.0 < 10.0.17763.8389
Microsoft · Windows 10 Version 21H2	affected 10.0.19044.0 < 10.0.19044.6937
Microsoft · Windows 10 Version 22H2	affected 10.0.19045.0 < 10.0.19045.6937
Microsoft · Windows 11 version 22H3	affected 10.0.22631.0 < 10.0.22631.6649
Microsoft · Windows 11 Version 23H2	affected 10.0.22631.0 < 10.0.22631.6649
Microsoft · Windows 11 Version 24H2	affected 10.0.26100.0 < 10.0.26100.7840
Microsoft · Windows Server 2012 R2	affected 6.3.9600.0 < 6.3.9600.23022
Microsoft · Windows Server 2012 R2 (Server Core installation)	affected 6.3.9600.0 < 6.3.9600.23022
Microsoft · Windows Server 2016	affected 10.0.14393.0 < 10.0.14393.8868
Microsoft · Windows Server 2016 (Server Core installation)	affected 10.0.14393.0 < 10.0.14393.8868
Microsoft · Windows Server 2019	affected 10.0.17763.0 < 10.0.17763.8389
Microsoft · Windows Server 2019 (Server Core installation)	affected 10.0.17763.0 < 10.0.17763.8389
Microsoft · Windows Server 2022	affected 10.0.20348.0 < 10.0.20348.4773
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)	affected 10.0.25398.0 < 10.0.25398.2149
Microsoft · Windows Server 2025	affected 10.0.26100.0 < 10.0.26100.32370
Microsoft · Windows Server 2025 (Server Core installation)	affected 10.0.26100.0 < 10.0.26100.32370

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