> CVE-2026-42899 [HIGH]

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PUBLISHED
2026-05-12 18:17
MODIFIED
2026-05-12 18:17
CVSS_SCORE V3
7.5
EPSS (Prob. Exploit)
2.43%
Top 15.8%
DATA SOURCES:
NVD đź”— 2026-05-12 CWE MITRE đź”— 2026-11-01 FIRST EPSS đź”— 2026-11-01 GITHUB đź”— 2026-11-05 MSRC đź”— 2026-11-02

> DESCRIPTION

Loop with unreachable exit condition ('infinite loop') in ASP.NET Core allows an unauthorized attacker to deny service over a network.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> 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-835

> CWE DETAILED DESCRIPTIONS

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 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 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 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 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 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 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 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 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...
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 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...

> MICROSOFT SECURITY PATCHES

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

Security Update KB5093446
Produit : 20838, 20839, 20837
Publié le 31/10/2026 • Bulletin 2026-May
Security Update KB5093447
Produit : 12414, 12416, 12415
Publié le 31/10/2026 • Bulletin 2026-May
Security Update KB5093448
Produit : 12432, 12434, 12433
Publié le 31/10/2026 • Bulletin 2026-May
📋 Voir tous les détails sur MSRC Update Guide →

> GITHUB SECURITY ADVISORY

GHSA-9v76-4qcc-frgh HIGH

Microsoft Security Advisory CVE-2026-42899 – ASP.NET Core Denial of Service Vulnerability

AFFECTED PACKAGES:
NUGET / Microsoft.AspNetCore.App.Runtime.osx-x64
>= 10.0.0, <= 10.0.7
Fixed in: 10.0.8
NUGET / Microsoft.AspNetCore.App.Runtime.osx-x64
>= 9.0.0, <= 9.0.15
Fixed in: 9.0.16
NUGET / Microsoft.AspNetCore.App.Runtime.osx-arm64
>= 10.0.0, <= 10.0.7
Fixed in: 10.0.8
NUGET / Microsoft.AspNetCore.App.Runtime.osx-arm64
>= 9.0.0, <= 9.0.15
Fixed in: 9.0.16
NUGET / Microsoft.AspNetCore.App.Runtime.linux-x64
>= 10.0.0, <= 10.0.7
Fixed in: 10.0.8
NUGET / Microsoft.AspNetCore.App.Runtime.linux-x64
>= 9.0.0, <= 9.0.15
Fixed in: 9.0.16
NUGET / Microsoft.AspNetCore.App.Runtime.linux-musl-x64
>= 9.0.0, <= 9.0.15
Fixed in: 9.0.16
NUGET / Microsoft.AspNetCore.App.Runtime.linux-musl-x64
>= 10.0.0, <= 10.0.7
Fixed in: 10.0.8
NUGET / Microsoft.AspNetCore.App.Runtime.linux-musl-arm64
>= 10.0.0, <= 10.0.7
Fixed in: 10.0.8
NUGET / Microsoft.AspNetCore.App.Runtime.linux-musl-arm64
>= 9.0.0, <= 9.0.15
Fixed in: 9.0.16

> HISTORIQUE DES MODIFICATIONS

Première apparition
12/05/2026 18:17
Source: NVD
đź“Š ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') - The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
Nouvelle valeur:
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.
đź“Š ENRICHISSEMENT 01/06/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') - The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
Total des modifications: 2 Dernière mise à jour: 6 days ago

> REFERENCES

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42899
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