CVE-2025-24070: Microsoft ASP.NET Core

High severity, CVSS 7.0. EPSS: 1% chance of exploitation in the next 30 days.

Weak authentication in ASP.NET Core & Visual Studio allows an unauthorized attacker to elevate privileges over a network.

Affected products

• Microsoft ASP.NET Core: from 8.0.0, before 8.0.14 (fixed in 8.0.14); from 9.0.0, before 9.0.3 (fixed in 9.0.3)
• Microsoft Visual Studio 2022: from 17.8.0, before 17.8.19 (fixed in 17.8.19); from 17.10.0, before 17.10.12 (fixed in 17.10.12); from 17.12.0, before 17.12.6 (fixed in 17.12.6); from 17.13.0, before 17.13.3 (fixed in 17.13.3)

Published 2025-03-11. Last modified 2026-06-17.