CVE-2025-53803

Windows Kernel Memory Information Disclosure Vulnerability

En bref

Sévérité: MEDIUM 5.5
EPSS: EPSS 0.66 % · centile 51 (2026-10-27)
État: PUBLISHED
Publiée: 2025-09-09
Mise à jour: 2026-02-20
Attribuée par: microsoft
Statut NVD: Analyzed

Description

Generation of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally.

Scores

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)

Faiblesses (CWE)

CWE-209

Références européennes

ENISA EUVD · EUVD-2025-27327
GCVE · GCVE-0-2025-53803

Avis du CERT-FR

CERTFR-2025-AVI-0778 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:* < 10.0.10240.21128
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:* < 10.0.10240.21128
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* < 10.0.14393.8422
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* < 10.0.14393.8422
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* < 10.0.17763.7792
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* < 10.0.17763.7792
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* < 10.0.19044.6332
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* < 10.0.19045.6332
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* < 10.0.22621.5909
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* < 10.0.22631.5909
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* < 10.0.26100.6508
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:*:*:*:*:*:*:*:* < 10.0.14393.8422
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* < 10.0.17763.7792
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* < 10.0.20348.4106
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* < 10.0.25398.1849
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* < 10.0.26100.6508

Produits affectés

Produit	Versions
Microsoft · Windows 10 Version 1507	affected 10.0.10240.0 < 10.0.10240.21128
Microsoft · Windows 10 Version 1607	affected 10.0.14393.0 < 10.0.14393.8422
Microsoft · Windows 10 Version 1809	affected 10.0.17763.0 < 10.0.17763.7792
Microsoft · Windows 10 Version 21H2	affected 10.0.19044.0 < 10.0.19044.6332
Microsoft · Windows 10 Version 22H2	affected 10.0.19045.0 < 10.0.19045.6332
Microsoft · Windows 11 version 22H2	affected 10.0.22621.0 < 10.0.22621.5909
Microsoft · Windows 11 version 22H3	affected 10.0.22631.0 < 10.0.22631.5909
Microsoft · Windows 11 Version 23H2	affected 10.0.22631.0 < 10.0.22631.5909
Microsoft · Windows 11 Version 24H2	affected 10.0.26100.0 < 10.0.26100.6584
Microsoft · Windows Server 2012	affected 6.2.9200.0 < 6.2.9200.25675
Microsoft · Windows Server 2012 (Server Core installation)	affected 6.2.9200.0 < 6.2.9200.25675
Microsoft · Windows Server 2012 R2	affected 6.3.9600.0 < 6.3.9600.22774
Microsoft · Windows Server 2012 R2 (Server Core installation)	affected 6.3.9600.0 < 6.3.9600.22774
Microsoft · Windows Server 2016	affected 10.0.14393.0 < 10.0.14393.8422
Microsoft · Windows Server 2016 (Server Core installation)	affected 10.0.14393.0 < 10.0.14393.8422
Microsoft · Windows Server 2019	affected 10.0.17763.0 < 10.0.17763.7792
Microsoft · Windows Server 2019 (Server Core installation)	affected 10.0.17763.0 < 10.0.17763.7792
Microsoft · Windows Server 2022	affected 10.0.20348.0 < 10.0.20348.4171
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)	affected 10.0.25398.0 < 10.0.25398.1849
Microsoft · Windows Server 2025	affected 10.0.26100.0 < 10.0.26100.6584

Références

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53803

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