CVE-2026-57108

dotnet: .NET Core: Denial of Service via type confusion

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Severity

Important

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · July 15, 2026

Updated · August 24, 2026

Description

A flaw was found in .NET Core. This vulnerability, known as type confusion, allows an unauthorized remote attacker to cause a denial of service (DoS) over a network. By exploiting this flaw, an attacker can make the affected system unavailable to legitimate users.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-843 · Access of Resource Using Incompatible Type ('Type Confusion')