CVE-2026-32177

dotnet: .NET: heap-based buffer overflow allows an attacker to elevate privileges locally

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Severity

Important

Red Hat Product Security

7.3

CVSS 3.1

Review impact separately from score.

Published · May 13, 2026

Updated · June 30, 2026

Description

A flaw was found in dotnet. A heap-based buffer overflow in .NET allows an unauthenticated attacker to elevate privileges locally.

Statement

As this flaw allows an unauthenticated attacker to elevate privileges locally, it has been rated with an important severity.

This vulnerability affects .NET running on Windows systems. Therefore, Red Hat products are not affected by this issue.

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 · 7.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

CWE-122 · Heap-based Buffer Overflow