CVE-2013-3896

CVE-2013-3896 is a medium-severity vulnerability in Microsoft Silverlight with a CVSS 3.x base score of 5.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-05-25).

Key facts

Description

Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during access to Silverlight elements, which allows remote attackers to obtain sensitive information via a crafted Silverlight application, aka "Silverlight Vulnerability."

Frequently asked questions

What is CVE-2013-3896?
Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during access to Silverlight elements, which allows remote attackers to obtain sensitive information via a crafted Silverlight application, aka "Silverlight Vulnerability."
How severe is CVE-2013-3896?
CVE-2013-3896 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2013-3896 being actively exploited?
Yes. CVE-2013-3896 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-05-25, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2013-3896?
CVE-2013-3896 affects Microsoft Silverlight. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-3896?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2013-3896 have an EU (EUVD) identifier?
Yes. CVE-2013-3896 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2013-3828. It is also flagged as exploited in the EUVD (since 2022-05-25).
When was CVE-2013-3896 published?
CVE-2013-3896 was published on 2013-10-09 and last updated on 2026-06-16.

References

Affected products (1)

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