CVE-2012-0163

Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly...

9.3 HighPublic exploit

Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly validate function parameters, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP), (2) a crafted ASP.NET application, or (3) a crafted .NET Framework application, aka ".NET Framework Parameter Validation Vulnerability."

Exploit likelihood

38.3%Down 26.2 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Record: CVE-2012-0163
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Record: CVE-2012-0163
Updated: 2026-11-02

EUVDEUVD-2012-0201 No score

Record: EUVD-2012-0201
Updated: 2026-11-03

GitHub AdvisoriesGHSA-85wj-fjj7-c42p No score

Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly...

Record: GHSA-85wj-fjj7-c42p
Weakness: CWE-20
Updated: 2026-11-02

Affected products

microsoft .net framework

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Microsoft .NET Framework EncoderParameter - Integer Overflow (MS12-025)	2012-04-24

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-0163 is a high vulnerability (CVSS 9.3) in Microsoft .net Framework, published April 10, 2012. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 38.3%, the 98th percentile. No source names a fixed version.