CVE-2026-40372
ASP.NET Core Elevation of Privilege Vulnerability
CRITICAL 9.1
En bref
- Source
- NVD
- EPSS
- EPSS 11.21 % · centile 96 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- microsoft
- Statut NVD
- Modified
Description
Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.
Faiblesses (CWE)
- CWE-347 — Vérification incorrecte d'une signature cryptographique
Références
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | CRITICAL 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | redhat-SADP |
| CVSS 3.1 | CRITICAL 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | NVD · secure@microsoft.com (Secondary) |
| CVSS 3.1 | CRITICAL 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | NVD · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Secondary) |
Avis
- GHSA-9mv3-2cwr-p262 — Microsoft Security Advisory CVE-2026-40372 – ASP.NET Core Elevation of Privilege
Références européennes
- ENISA EUVD · EUVD-2026-24249
- GCVE · GCVE-0-2026-40372
Avis du CERT-FR
- CERTFR-2026-AVI-0478 — Vulnérabilité dans Microsoft .Net · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*≥ 10.0.0 < 10.0.7
Produits affectés
| Produit | Versions |
|---|---|
| Microsoft · ASP.NET Core 10.0 | affected 10.0 < 10.0.7 |
| Microsoft · Microsoft Visual Studio 2026 version 18.5 | affected 18.5.0 < 18.5.2 |
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 |