CVE-2026-65810
dotnet: .NET Framework: Elevation of Privilege via relative path traversal
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 12, 2026
Updated · September 3, 2026
Description
A flaw was found in .NET Framework. This vulnerability, caused by a relative path traversal, allows an unauthorized local attacker to elevate their privileges. By exploiting this flaw, an attacker can gain higher access rights than intended, potentially leading to unauthorized actions on the system.
Statement
Red Hat ships cross-platform .NET runtimes (dotnet 8.0, 9.0, 10.0) on Linux. The .NET Framework runtime affected by this vulnerability is a Windows-only product distributed via Windows Update, which Red Hat has never shipped. The vulnerable code is not present in any Red Hat product.
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 · 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')