CVE-2011-1253

CriticalCVSS 9.3/10Last modified Jun 16, 2026

Description

Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5.1, and 4, and Silverlight 4 before 4.0.60831, does not properly restrict inheritance, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP), (2) a crafted ASP.NET application, (3) a crafted .NET Framework application, or (4) a crafted Silverlight application, aka ".NET Framework Class Inheritance Vulnerability."

Metrics

CVSS 2.0 9.3/10AV:N/AC:M/Au:N/C:C/I:C/A:C

Weakness enumeration

CWE-264

Affected software

No affected versions have been published.

Timeline

Published
Oct 12, 2011
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 2011

CVE-2011-12549.3Microsoft Internet Explorer 6 through 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code CVE-2011-12559.3The Timed Interactive Multimedia Extensions (aka HTML+TIME) implementation in Microsoft Internet Explorer 6 through 8 does not properly handCVE-2011-12569.3Microsoft Internet Explorer 6 through 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code CVE-2011-12577.6Race condition in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code or cause a denial of service (meCVE-2011-12584.3Microsoft Internet Explorer 6 through 8 does not properly restrict web script, which allows user-assisted remote attackers to obtain sensitiCVE-2011-12609.3Microsoft Internet Explorer 8 and 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by aCVE-2011-12619.3Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code CVE-2011-12629.3Microsoft Internet Explorer 7 through 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code CVE-2011-12634.3Cross-site scripting (XSS) vulnerability in the logon page in Remote Desktop Web Access (RD Web Access) in Microsoft Windows Server 2008 R2 CVE-2011-12644.3Cross-site scripting (XSS) vulnerability in Active Directory Certificate Services Web Enrollment in Microsoft Windows Server 2003 SP2 and SeCVE-2011-12658.8The Bluetooth Stack 2.1 in Microsoft Windows Vista SP1 and SP2 and Windows 7 Gold and SP1 does not prevent access to objects in memory that CVE-2011-12669.3The Vector Markup Language (VML) implementation in vgx.dll in Microsoft Internet Explorer 6 through 8 does not properly handle objects in me
CVE-2011-1253: Critical severity, CVSS 9.3 | Vulnix