CVE-2013-3896
Actively exploited. CVE-2013-3896 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-25) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2013-3896 is indexed in Metasploit and Exploit-DB. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
Microsoft Silverlight does not properly validate pointers during access to Silverlight elements, which allows remote attackers to obtain sensitive information via a crafted Silverlight application.
CSIRTS triage
- What
- The vulnerability allows remote attackers to obtain sensitive information via a crafted Silverlight application.
- Who is affected
- Users of Microsoft Silverlight are at risk if they run untrusted applications.
- Urgency
- Remediation is critical due to active exploitation and the severity of the information disclosure.
- Action
- Users should update to the latest version of Silverlight.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2013-3896 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- MetasploitA Metasploit Framework module targets this CVE — weaponized, point-and-click exploitation.look it up ↗
- Exploit-DBA public exploit is published in the Exploit-DB archive.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2013-3896: Microsoft Silverlight Information Disclosure Vulnerabilitycisa-kev · 2022-05-25
External references
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