PT-2026-47970 · Microsoft · .Net 10.0+2

Published 2026-06-09 · Updated 2026-06-09 · CVE-2026-45490

NVD

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Fix

Improper Authorization

Weakness Enumeration

CWE-285

Related Identifiers

CVE-2026-45490

Affected Products

.Net 10.0

.Net 8.0

.Net 9.0

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-45490 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45490 · Vendor Advisory