How severe is CVE-2012-0014?

CVE-2012-0014 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2012-0014 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0014?

CVE-2012-0014 primarily affects Microsoft .net Framework. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0014?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-0014 published?

CVE-2012-0014 was published on 2012-02-14 and last updated on 2026-06-16.

CVE-2012-0014

CVE-2012-0014 is a high-severity vulnerability in Microsoft .net Framework with a CVSS 3.x base score of 7.8. Its EPSS exploit-prediction score of 28% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 9.3
EPSS exploit prediction: 28% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Microsoft .net Framework
Published: 2012-02-14
Last modified: 2026-06-16

Description

Microsoft .NET Framework 2.0 SP2, 3.5.1, and 4, and Silverlight 4 before 4.1.10111, does not properly restrict access to memory associated with unmanaged objects, 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 Unmanaged Objects Vulnerability."

Frequently asked questions

What is CVE-2012-0014?: Microsoft .NET Framework 2.0 SP2, 3.5.1, and 4, and Silverlight 4 before 4.1.10111, does not properly restrict access to memory associated with unmanaged objects, 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 Unmanaged Objects Vulnerability."
How severe is CVE-2012-0014?: CVE-2012-0014 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2012-0014 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0014?: CVE-2012-0014 primarily affects Microsoft .net Framework. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0014?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-0014 published?: CVE-2012-0014 was published on 2012-02-14 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:silverlight:4.0.50524.00:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:silverlight:4.0.50826.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:silverlight:4.0.50917.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:silverlight:4.0.51204.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:silverlight:4.0.60129.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:silverlight:4.0.60310.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:silverlight:4.0.60531.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:silverlight:4.0.60831.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:silverlight:4.0.603310.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:silverlight:4.1.10111:*:*:*:*:*:*:*

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