CVE-2011-1844

CVE-2011-1844 is a high-severity vulnerability in Microsoft Silverlight with a CVSS 2.0 base score of 7.8. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Description

Memory leak in Microsoft Silverlight 4 before 4.0.60310.0 allows remote attackers to cause a denial of service (memory consumption) via an application involving a popup control and a custom DependencyProperty property, related to lack of garbage collection.

Frequently asked questions

What is CVE-2011-1844?
Memory leak in Microsoft Silverlight 4 before 4.0.60310.0 allows remote attackers to cause a denial of service (memory consumption) via an application involving a popup control and a custom DependencyProperty property, related to lack of garbage collection.
How severe is CVE-2011-1844?
CVE-2011-1844 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2011-1844 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1844?
CVE-2011-1844 primarily affects Microsoft Silverlight. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1844?
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-2011-1844 published?
CVE-2011-1844 was published on 2011-05-03 and last updated on 2026-06-16.

References

Affected products (7)

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