CVE-2026-26166

Windows Shell Elevation of Privilege Vulnerability

En bref

Sévérité
HIGH 7.0
EPSS
EPSS 0.24 % · centile 15 (2026-10-27)
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
microsoft
Statut NVD
Analyzed

Description

Double free in Windows Shell allows an authorized attacker to elevate privileges locally.

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1HIGH 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · secure@microsoft.com (Secondary)

Faiblesses (CWE)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Microsoft · Windows 11 version 23H2affected 10.0.22631.0 < 10.0.22631.6936
Microsoft · Windows 11 Version 23H2affected 10.0.22631.0 < 10.0.22631.6936
Microsoft · Windows 11 Version 24H2affected 10.0.26100.0 < 10.0.26100.8246
Microsoft · Windows 11 Version 25H2affected 10.0.26200.0 < 10.0.26200.8246
Microsoft · Windows 11 version 26H1affected 10.0.28000.0 < 10.0.28000.1836
Microsoft · Windows Server 2022affected 10.0.20348.0 < 10.0.20348.5020
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)affected 10.0.25398.0 < 10.0.25398.2274
Microsoft · Windows Server 2025affected 10.0.26100.0 < 10.0.26100.32690
Microsoft · Windows Server 2025 (Server Core installation)affected 10.0.26100.0 < 10.0.26100.32690

Références

Sources

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