Microsoft · Silverlight
CVE-2013-0074
Microsoft Silverlight Double Dereference Vulnerability
What it is
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."
CISA: Microsoft Silverlight does not properly validate pointers during HTML object rendering, which allows remote attackers to execute code via a crafted Silverlight application.
What to do
The impacted product is end-of-life and should be disconnected if still in use.
Deadline for US federal agencies: June 15, 2022
- Added to the CISA list
- May 25, 2022
- Published
- March 13, 2013
- Severity
- High 7.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 79% in the top 0.4% of all known vulnerabilities
- More details
- NVD · CVE.org · CISA
All references (4)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-022
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16565
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16516
- http://www.us-cert.gov/ncas/alerts/TA13-071A
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| May 25, 2022 | Information Disclosure | Silverlight | Medium 5.5 | 68% |
| May 25, 2022 | Runtime Remote Code Execution | Silverlight | High 8.8 | 69% |
| Oct 13, 2026 | Command Injection | Windows | High 8.8 | 9.8% |
| Sep 25, 2026 | Code Injection | SharePoint | High 8.8 | 8.2% |
| Sep 8, 2026 | Link Following | Windows | High 7.8 | 0.4% |
| Sep 8, 2026 | Heap-Based Buffer Overflow | Windows | High 7.8 | 0.4% |
| Aug 26, 2026 | Remote Code Execution | SQL Server | High 8.8 | 57% |
| Aug 18, 2026 | Double Free | Internet Key Exchange (IKE) Service Extensions | Critical 9.8 | 77% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.