Security Vulnerabilities fixed in .NET Framework MS15-041

description-logoDescription

ASP.NET improperly handles requests when custom error messages are disabled, causing information disclosure of web configuration files on IIS servers with verbose errors; the Microsoft update removes file content from error messages to mitigate the vulnerability.

affected-products-logoAffected Applications

Windows 7
Windows Server 2008 R2
Windows 8
Windows 8.1
Windows Server 2012
Windows Server 2012 R2
Windows RT 8.1
Microsoft .NET Framework 3.5
Microsoft .NET Framework 3.5.1

Version Updates

Date Version Status Detail
2026-04-05 1.00970
New
Windows 7,Windows Server 2008 R2,Windows 8,Windows 8.
1,Windows Server 2012,Windows Server 2012 R2,Windows RT 8.
1,Microsoft .
NET Framework 3.
5,Microsoft .
NET Framework 3.
5.
1
2019-09-11 1.00194
Modified
Windows 7,Windows Server 2008 R2,Windows 8,Windows 8.
1,Windows Server 2012,Windows Server 2012 R2,Windows RT 8.
1,Microsoft .
NET Framework 3.
5,Microsoft .
NET Framework 3.
5.
1