ASP.NET Core Elevation of Privilege Vulnerability (Microsoft .NET 10.0 installed on Linux)

CVE-2026-114148

HIGH 7.8

En bref

Source: NVD
EPSS: EPSS 0.36 % · centile 29 (2026-10-31)
État: PUBLISHED
Publiée: 2026-10-29 15:21 UTC
Mise à jour: 2026-10-31 18:13 UTC
Attribuée par: microsoft
Statut NVD: Awaiting Analysis

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Description

Incorrect default permissions in ASP.NET Core allows an authorized attacker to elevate privileges locally.

Faiblesses (CWE)

CWE-276 — Permissions par défaut incorrectes

Références

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-114148

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-2026-113163
GCVE · GCVE-0-2026-114148

Avis du CERT-FR

CERTFR-2026-AVI-1382 — Multiples vulnérabilités dans Microsoft .Net · cert.ssi.gouv.fr

Produits affectés

Produit	Versions
Microsoft · .NET 10.0 installed on Linux	affected 10.0.0 < 10.0.403
Microsoft · .NET 10.0 installed on Mac OS	affected 10.0.0 < 10.0.403
Microsoft · .NET 10.0 installed on Windows	affected 10.0.0 < 10.0.403
Microsoft · .NET 11.0 installed on Linux	affected 11.0.0-preview.1 < 11.0.100-rc.3
Microsoft · .NET 11.0 installed on Mac OS	affected 11.0.0-preview.1 < 11.0.100-rc.3
Microsoft · .NET 11.0 installed on Windows	affected 11.0.0-preview.1 < 11.0.100-rc.3
Microsoft · .NET 8.0 installed on Linux	affected 8.0.0 < 8.0.427
Microsoft · .NET 8.0 installed on Mac OS	affected 8.0.0 < 8.0.427
Microsoft · .NET 8.0 installed on Windows	affected 8.0.0 < 8.0.427
Microsoft · .NET 9.0 installed on Linux	affected 9.0.0 < 9.0.320
Microsoft · .NET 9.0 installed on Mac OS	affected 9.0.0 < 9.0.320
Microsoft · .NET 9.0 installed on Windows	affected 9.0.0 < 9.0.320
Microsoft · .NET source-build Linux tarballs (all archive types)	affected 8.0.100 < 10.0.403-servicing.26523.112
Microsoft · ASP.NET Core runtime and targeting-pack Linux tarballs (Microsoft-published)	affected 8.0.0 < 9.0.22

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