Microsoft Net Framework 4.0 V 30319 Vulnerabilities Jun 2026

: To prevent scanners from flagging your site falsely, you can remove or hide the X-AspNet-Version header in your web.config settings. Download .NET Framework 4.0

Older versions of .NET 4.0 are susceptible to RCE through improperly handled function pointers (CVE-2012-1855) or when improperly counting objects during array copies (CVE-2011-3416). Cross-Site Scripting (XSS): microsoft net framework 4.0 v 30319 vulnerabilities

You cannot simply "uninstall" .NET 4.0 because too many apps depend on it. Instead, follow this guide: : To prevent scanners from flagging your site

, which allow attackers to execute malicious scripts or software remotely. Information Disclosure: Modern threats like CVE-2024-29059 follow this guide:

7.8 (High) Vector: Denial of Service leading to RCE