CVE DATABASE / CVE-2013-0074
CVE-2013-0074
Microsoft Silverlight Double Dereference Vulnerability
Confirmed exploited in the wild. Added 2022-05-25.
Federal remediation due 2022-06-15.
Required action: The impacted product is end-of-life and should be disconnected if still in use.
Summary
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."
CVSS 3.1 breakdown
| Base score | 7.8 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Affected products
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
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
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-0074
Data: NIST NVD + CISA KEV. NVD last modified 2026-04-22. Always verify against the vendor advisory before acting.