CVE-2026-41095

Data Deduplication Elevation of Privilege Vulnerability

HIGH 7.8

En bref

Source: NVD
EPSS: EPSS 0.33 % · centile 26 (2026-10-28)
État: PUBLISHED
Publiée: 2026-05-12 16:58 UTC
Mise à jour: 2026-08-10 15:13 UTC
Attribuée par: microsoft
Statut NVD: Analyzed

Description

Use after free in Data Deduplication allows an authorized attacker to elevate privileges locally.

Faiblesses (CWE)

CWE-416 — Utilisation après libération

Références

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41095

Scores

Version	Score	Vecteur	Évalué par
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)

Références européennes

ENISA EUVD · EUVD-2026-29683
GCVE · GCVE-0-2026-41095

Avis du CERT-FR

CERTFR-2026-AVI-0585 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* < 10.0.14393.9140
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* < 10.0.17763.8755
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* < 10.0.20348.5074
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* < 10.0.25398.2330
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* < 10.0.26100.32772

Produits affectés

Produit	Versions
Microsoft · Windows Server 2012 R2	affected 6.3.9600.0 < 6.3.9600.23181
Microsoft · Windows Server 2012 R2 (Server Core installation)	affected 6.3.9600.0 < 6.3.9600.23181
Microsoft · Windows Server 2016	affected 10.0.14393.0 < 10.0.14393.9140
Microsoft · Windows Server 2016 (Server Core installation)	affected 10.0.14393.0 < 10.0.14393.9140
Microsoft · Windows Server 2019	affected 10.0.17763.0 < 10.0.17763.8755
Microsoft · Windows Server 2019 (Server Core installation)	affected 10.0.17763.0 < 10.0.17763.8755
Microsoft · Windows Server 2022	affected 10.0.20348.0 < 10.0.20348.5139
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)	affected 10.0.25398.0 < 10.0.25398.2330
Microsoft · Windows Server 2025	affected 10.0.26100.0 < 10.0.26100.32860
Microsoft · Windows Server 2025 (Server Core installation)	affected 10.0.26100.0 < 10.0.26100.32860

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