CVE-2026-33116

.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

En bref

Sévérité: HIGH 7.5
EPSS: EPSS 2.14 % · centile 82 (2026-10-27)
État: PUBLISHED
Publiée: 2026-04-14
Mise à jour: 2026-10-15
Attribuée par: microsoft
Statut NVD: Modified

Description

Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, 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-37gx-xxp4-5rgx — Microsoft Security Advisory CVE-2026-33116 – .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

Références européennes

ENISA EUVD · EUVD-2026-22635
GCVE · GCVE-0-2026-33116

Avis du CERT-FR

CERTFR-2026-AVI-0796 — Multiples vulnérabilités dans Tenable Identity Exposure · 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 < 10.0.6
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 8.0.0 < 8.0.26
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 9.0.0 < 9.0.15
cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*

Produits affectés

Produit	Versions
Microsoft · .NET 10.0	affected 10.0.0 < 10.0.6
Microsoft · .NET 8.0	affected 8.0 < 8.0.26
Microsoft · .NET 8.0	affected 8.0.0 < 8.0.26
Microsoft · .NET 9.0	affected 9.0.0 < 9.0.15
Microsoft · Microsoft .NET Framework 3.5	affected 3.5.0 < 2.0.50727.8982 & 3.0.30729.8976
Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2	affected 4.7.0 < 2.0.50727.9068 & 3.0.30729.9065 & 4.7.4141.0
Microsoft · Microsoft .NET Framework 3.5 AND 4.8	affected 4.8.0 < 2.0.50727.9068 & 3.0.30729.9065 & 4.8.4801.0
Microsoft · Microsoft .NET Framework 3.5 AND 4.8.1	affected 4.8.1 < 2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0
Microsoft · Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2	affected 4.7.0 < 4.8.4801.0
Microsoft · Microsoft .NET Framework 4.8	affected 4.8.0 < 4.8.4801.0

Références

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