CVE-2013-3896
Medium 5.5 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Silverlight Information Disclosure Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- The impacted product is end-of-life and should be disconnected if still in use.
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."
Metrics
- CVSS 3.1
-
5.5 (MEDIUM)
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - EPSS — exploit probability
- 68% (percentile: 99) as of 1 November 2026
Affected products
microsoft: silverlight
References
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-0… PatchVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-0… PatchVendor Advisory
- http://www.us-cert.gov/ncas/alerts/TA13-288A Third Party AdvisoryUS Government Resource
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%… Broken Link
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%… Broken Link
- http://www.us-cert.gov/ncas/alerts/TA13-288A Third Party AdvisoryUS Government Resource
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%… Broken Link
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%… Broken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013… US Government Resource