How severe is CVE-2012-1896?

CVE-2012-1896 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-1896 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1896?

CVE-2012-1896 primarily affects Microsoft .net Framework. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1896?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-1896 published?

CVE-2012-1896 was published on 2012-11-14 and last updated on 2026-06-16.

CVE-2012-1896

CVE-2012-1896 is a medium-severity vulnerability in Microsoft .net Framework with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 24% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 24% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Microsoft .net Framework
Published: 2012-11-14
Last modified: 2026-06-16

Description

Microsoft .NET Framework 2.0 SP2 and 3.5.1 does not properly consider trust levels during construction of output data, which allows remote attackers to obtain sensitive information via (1) a crafted XAML browser application (aka XBAP) or (2) a crafted .NET Framework application, aka "Code Access Security Info Disclosure Vulnerability."

Frequently asked questions

What is CVE-2012-1896?: Microsoft .NET Framework 2.0 SP2 and 3.5.1 does not properly consider trust levels during construction of output data, which allows remote attackers to obtain sensitive information via (1) a crafted XAML browser application (aka XBAP) or (2) a crafted .NET Framework application, aka "Code Access Security Info Disclosure Vulnerability."
How severe is CVE-2012-1896?: CVE-2012-1896 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-1896 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1896?: CVE-2012-1896 primarily affects Microsoft .net Framework. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-1896?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1896 published?: CVE-2012-1896 was published on 2012-11-14 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*

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