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CVE-2013-3896

Medium CVSS 5.5 Known exploited

Published 2013-10-09 · last changed 2026-06-16 · added to CISA KEV 2022-05-25

This one is being exploited in the wild.

CISA added CVE-2013-3896 to the Known Exploited Vulnerabilities catalog on 2022-05-25. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2013-3896, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

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."

Sources

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N