What’s Vulnerable › Vulnerabilities

CVE-2013-0074: Microsoft Silverlight Double Dereference Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-05-25
• EPSS: 78.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2013-03-13 · updated 2026-08-14

Description

Microsoft Silverlight 5, and 5 Developer Runtime, before 5.1.20125.0 does not properly validate pointers during HTML object rendering, which allows remote attackers to execute arbitrary code via a crafted Silverlight application, aka "Silverlight Double Dereference Vulnerability."

Affected products

• Microsoft Silverlight: from 5.0 before 5.1.20125.0 — fixed in 5.1.20125.0

How to fix

Upgrade to a fixed version: Microsoft Silverlight 5.1.20125.0. Check the vendor advisory for mitigations.

References

• http://www.us-cert.gov/ncas/alerts/TA13-071A
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-022
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16516
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16565
• http://www.us-cert.gov/ncas/alerts/TA13-071A
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-022
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16516
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16565
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-0074

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