CVE-2013-3896
KEVMicrosoft Silverlight Information Disclosure Vulnerability
Description
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.
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."
CVSS 3.1 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NPublishedOct 9, 2013
Last modifiedJun 16, 2026
Added to KEVMay 25, 2022
Remediation dueJun 15, 2022
References
- us-cert.gov/ncas/alerts/TA13-288AThird Party AdvisoryUS Government Resource
- docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-087PatchVendor Advisory
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19003Broken Link
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19055Broken Link
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3896US Government Resource
0 recent articles mention this CVE
64
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1595 days
- CVSS
- 5.5 MEDIUM
- EPSS (30-day exploit probability)
- 68.0% · top 1% of all CVEs
- Weakness
- NVD-CWE-noinfo
Recommended actions
- 1.The impacted product is end-of-life and should be disconnected if still in use.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.