CVE-2015-6099: Microsoft .NET Framework

Medium severity, CVSS 4.3. EPSS: 47.6% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in ASP.NET in Microsoft .NET Framework 4, 4.5, 4.5.1, 4.5.2, and 4.6 allows remote attackers to inject arbitrary web script or HTML via a crafted value, aka ".NET Elevation of Privilege Vulnerability."

Affected products

• Microsoft .NET Framework: version 4.0 only; version 4.5 only; version 4.5.1 only; version 4.5.2 only; version 4.6 only

Published 2015-11-11. Last modified 2026-06-17.