SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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 validate function parameters, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP), (2) a crafted…

EXPLOITHIGH 9.3EPSS 38.3%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 38.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

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."

CVSS 2.0
9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
38.25% probability · 99th percentile
Public exploits
1 in Exploit-DB · first 24 April 2012
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/.net framework
Source
secure@microsoft.com
EPSS trend
0%20%40%26 October 2026: 38.25%26 October 202626 October 2026

EPSS 38.3% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-18777source ↗Microsoft .NET Framework EncoderParameter - Integer Overflow (MS12-025)windows · Akita Software Securitydos24 April 2012no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.