CVE-2026-45490

HighCVSS 7.8/10Last modified Nov 11, 2026

Description

Improper authorization in .NET allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-285 CWE-863 CWE-266

Affected software

Vendor	Product	Versions
Microsoft	.NET 10.0 runtime	>= 10.0.0, < 10.0.9
Microsoft	.NET 8.0 runtime	>= 8.0.0, < 8.0.28
Microsoft	.NET 9.0 runtime	>= 9.0.0, < 9.0.17
Red Hat	Red Hat Enterprise Linux 10	—
Red Hat	Red Hat Enterprise Linux 10	—
Red Hat	Red Hat Enterprise Linux 10	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 9	—
Red Hat	Red Hat Enterprise Linux 9	—
Red Hat	Red Hat Enterprise Linux 9	—
Red Hat	Red Hat Hardened Images	—
Red Hat	Red Hat Hardened Images	—
Red Hat	Red Hat Hardened Images	—

References

Timeline

Published: Jun 9, 2026
Last modified: Nov 11, 2026
NVD status: Modified

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