Microsoft · Silverlight
CVE-2013-3896
Microsoft Silverlight Information Disclosure Vulnerability
What it is
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."
CISA: 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.
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
- October 9, 2013
- Severity
- Medium 5.5 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 68% in the top 0.7% of all known vulnerabilities
- Weakness
- CWE-20
- More details
- NVD · CVE.org · CISA
All references (4)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-087
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19003
- http://www.us-cert.gov/ncas/alerts/TA13-288A
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19055
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| May 25, 2022 | Double Dereference | Silverlight | High 7.8 | 79% |
| 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.