CVE-2012-0176

CVE-2012-0176 is a critical-severity vulnerability in Microsoft Silverlight with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Description

Double free vulnerability in Microsoft Silverlight 4 before 4.1.10329 on Windows allows remote attackers to execute arbitrary code via vectors involving crafted XAML glyphs, aka "Silverlight Double-Free Vulnerability."

Frequently asked questions

What is CVE-2012-0176?
Double free vulnerability in Microsoft Silverlight 4 before 4.1.10329 on Windows allows remote attackers to execute arbitrary code via vectors involving crafted XAML glyphs, aka "Silverlight Double-Free Vulnerability."
How severe is CVE-2012-0176?
CVE-2012-0176 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2012-0176 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0176?
CVE-2012-0176 primarily affects Microsoft Silverlight. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0176?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2012-0176 published?
CVE-2012-0176 was published on 2012-05-09 and last updated on 2026-06-16.

References

Affected products (12)

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