CVE-2026-32203
.NET and Visual Studio Denial of Service Vulnerability
En bref
- Sévérité
- HIGH 7.5
- EPSS
- EPSS 1.90 % · centile 80 (2026-10-27)
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- microsoft
- Statut NVD
- Modified
Description
Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | redhat-SADP |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · secure@microsoft.com (Secondary) |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Secondary) |
Faiblesses (CWE)
Avis
- GHSA-6588-8gv4-xfgh — Microsoft Security Advisory CVE-2026-32203 – .NET and Visual Studio Denial of Service Vulnerability
Références européennes
- ENISA EUVD · EUVD-2026-22591
- GCVE · GCVE-0-2026-32203
Avis du CERT-FR
- CERTFR-2026-AVI-0796 — Multiples vulnérabilités dans Tenable Identity Exposure · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0445 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0443 — Multiples vulnérabilités dans Microsoft .Net · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*≥ 10.0.0 < 10.0.6cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*≥ 8.0.0 < 8.0.26cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*≥ 9.0.0 < 9.0.15cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*≥ 17.12.0 < 17.12.19cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:-:*:*≥ 17.14.0 < 17.14.30cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*≥ 18.4.0 < 18.4.4
Produits affectés
| Produit | Versions |
|---|---|
| Microsoft · .NET 10.0 | affected 10.0.0 < 10.0.6 |
| Microsoft · .NET 8.0 | affected 8.0.0 < 8.0.26 |
| Microsoft · .NET 9.0 | affected 9.0.0 < 9.0.15 |
| Microsoft · Microsoft Visual Studio 2022 version 17.12 | affected 17.12.0 < 17.12.19 |
| Microsoft · Microsoft Visual Studio 2022 version 17.14 | affected 17.14.0 < 17.14.30 |
| Microsoft · Microsoft Visual Studio 2026 version 18.4 | affected 18.4.0 < 18.4.4 |
Références
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32203
- https://access.redhat.com/security/cve/CVE-2026-32203
- https://bugzilla.redhat.com/show_bug.cgi?id=2457740
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32203.json
- https://access.redhat.com/errata/RHSA-2026:13281
- https://access.redhat.com/errata/RHSA-2026:13280
- https://access.redhat.com/errata/RHSA-2026:8467
- https://access.redhat.com/errata/RHSA-2026:8470
- https://access.redhat.com/errata/RHSA-2026:8472
- https://access.redhat.com/errata/RHSA-2026:8473
- https://access.redhat.com/errata/RHSA-2026:8468
- https://access.redhat.com/errata/RHSA-2026:8475
- https://access.redhat.com/errata/RHSA-2026:13693
- https://access.redhat.com/errata/RHSA-2026:13283
- https://access.redhat.com/errata/RHSA-2026:13282
- https://access.redhat.com/errata/RHSA-2026:8471
- https://access.redhat.com/errata/RHSA-2026:8469
- https://access.redhat.com/errata/RHSA-2026:8474
- https://access.redhat.com/errata/RHSA-2026:9077
- https://access.redhat.com/errata/RHSA-2026:9080
- https://access.redhat.com/errata/RHSA-2026:9205
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 |