> CVE-2026-33116 [HIGH]

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PUBLISHED
2026-04-14 18:17
MODIFIED
2026-04-14 18:17
CVSS_SCORE V3
7.5
EPSS (Prob. Exploit)
2.44%
Top 15.8%
DATA SOURCES:
NVD 🔗 2026-04-14 RED HAT 🔗 2026-04-19 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-10-25 GITHUB 🔗 2026-11-05 MSRC 🔗 2026-11-02

> DESCRIPTION

Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.

> AFFECTED_PRODUCTS

Red Hat - Red Hat Enterprise Linux 10
Version: 10.0.106
Red Hat - Red Hat Enterprise Linux 10
Version: 8.0.126
Red Hat - Red Hat Enterprise Linux 10
Version: 9.0.116
Red Hat - Red Hat Enterprise Linux 8
Version: 8.0.126
Red Hat - Red Hat Enterprise Linux 8
Version: 10.0.106
Red Hat - Red Hat Enterprise Linux 8
Version: 9.0.116
Red Hat - Red Hat Enterprise Linux 9
Version: 8.0.126
Red Hat - Red Hat Enterprise Linux 9
Version: 10.0.106
Red Hat - Red Hat Enterprise Linux 9
Version: 9.0.116

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EXPLOITABILITY
3.9
IMPACT
3.6

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
None (N)
Aucune divulgation d'informations
I (Impact Intégrité)
Integrity Impact
None (N)
Aucune modification de données possible
A (Impact Disponibilité)
Availability Impact
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
None
Aucune divulgation d'informations
Intégrité
None
Aucune modification de données possible
Disponibilité
High
Interruption totale du service possible

> WEAKNESSES

CWE-20 CWE-400 CWE-835

> CWE DETAILED DESCRIPTIONS

CWE-20: Improper Input Validation - The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. | CWE-400: Uncontrolled Resource Consumption - The product does not properly control the allocation and maintenance of a limited resource. | CWE-835: Loop with Unreachable Exit Condition - The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: .NET 9.0 security update
An update for .NET 9.0 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...
Red Hat Security Advisory: .NET 10.0 security update
An update for .NET 10.0 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...
Red Hat Security Advisory: .NET 8.0 security update
An update for .NET 8.0 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...
Red Hat Security Advisory: .NET 8.0 security update
An update for .NET 8.0 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...
Red Hat Security Advisory: .NET 9.0 security update
An update for .NET 9.0 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...
Red Hat Security Advisory: .NET 8.0 security update
An update for .NET 8.0 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...
Red Hat Security Advisory: .NET 10.0 security update
An update for .NET 10.0 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...
Red Hat Security Advisory: .NET 9.0 security update
An update for .NET 9.0 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...
Red Hat Security Advisory: .NET 10.0 security update
An update for .NET 10.0 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring Syste...
Red Hat Security Advisory: .NET 9.0 security update
An update for .NET 9.0 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vul...
Red Hat Security Advisory: .NET 8.0 security update
An update for .NET 8.0 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vul...
Red Hat Security Advisory: .NET 9.0 security update
An update for .NET 9.0 is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vu...
Red Hat Security Advisory: .NET 8.0 security update
An update for .NET 8.0 is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vu...
Red Hat Security Advisory: .NET 8.0 security update
An update for .NET 8.0 is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A...

> MICROSOFT SECURITY PATCHES

Cette vulnérabilité est corrigée par les mises à jour Microsoft suivantes :

Security Update KB5086095
Produit : 20838, 20839
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5086096
Produit : 12260, 12414, 12415, 12416
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5086097
Produit : 12432, 12434, 12433
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082411
Produit : 11650-10852, 11650-10853
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082403
Produit : 11650-10378, 11650-10379, 11650-10483, 11650-10543
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082414
Produit : 11676-11568, 11676-11569, 11676-11570
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082426
Produit : 11676-11929, 11676-11930, 11676-11931, 11676-12097, 11676-12098, 11676-12099
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082413
Produit : 11677-11568, 11677-11569, 11677-11570
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082421
Produit : 12079-20854, 12079-20853
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082417
Produit : 12079-20437, 12079-20438, 12079-12436, 12079-12437
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082427
Produit : 11676-11923, 11676-11924
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082400
Produit : 11863-10378, 11863-10379
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082402
Produit : 11863-10483, 11863-10543
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082425
Produit : 12079-11923, 12079-11924
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082419
Produit : 12079-11929, 12079-11930, 12079-11931, 12079-12097, 12079-12098, 12079-12099
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082424
Produit : 12079-12085, 12079-12086, 12079-12242, 12079-12243
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082418
Produit : 12079-12244
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082420
Produit : 12079-12389, 12079-12390
Publié le 01/11/2026 • Bulletin 2026-Apr
Security Update KB5082398
Produit : 2472-10378, 2472-10379, 2472-10483, 2472-10543
Publié le 01/11/2026 • Bulletin 2026-Apr
📋 Voir tous les détails sur MSRC Update Guide →

> RED HAT SEVERITY ASSESSMENT

THREAT SEVERITY
Important

> GITHUB SECURITY ADVISORY

GHSA-37gx-xxp4-5rgx HIGH

Microsoft Security Advisory CVE-2026-33116 – .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

AFFECTED PACKAGES:
NUGET / System.Security.Cryptography.Xml
>= 8.0.0, <= 8.0.2
Fixed in: 8.0.3
NUGET / System.Security.Cryptography.Xml
>= 9.0.0, <= 9.0.14
Fixed in: 9.0.15
NUGET / System.Security.Cryptography.Xml
>= 10.0.0, <= 10.0.5
Fixed in: 10.0.6

> HISTORIQUE DES MODIFICATIONS

Première apparition
14/04/2026 18:17
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-20: Improper Input Validation - The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process...
Nouvelle valeur:
CWE-20: Improper Input Validation - The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process...
📊 ENRICHISSEMENT 01/05/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-20: Improper Input Validation - The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process...
📊 ENRICHISSEMENT 19/04/2026 05:01
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 23:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 22:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 21:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 20:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 19:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 18:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 17:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 16:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 15:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 14:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 13:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 12:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 11:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 10:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 09:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 08:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 07:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 06:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 05:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 04:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 03:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 02:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 01:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
{ "severity_scale": null, "threat_severity": "Important" }
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 00:30
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
N/A
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 15/04/2026 00:30
REDHAT
Champ modifié: Red Hat
Ancienne valeur:
Non
Nouvelle valeur:
Oui
Total des modifications: 28 Dernière mise à jour: 1 week ago

> REFERENCES

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33116
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