# CVE-2013-3896: Microsoft Silverlight Information Disclosure Vulnerability

Source: https://junglewise.ai/threats/cve-2013-3896-microsoft-silverlight-information-disclosure-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-25. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2013-3896 · Severity: critical · CVSS 5.5 · Exploited in the wild · Published 2022-05-25

Microsoft Silverlight fails to properly validate pointers when accessing Silverlight elements. A remote attacker can exploit this by providing a crafted Silverlight application to obtain sensitive information from the memory of the affected system.

Technologies: [Microsoft Silverlight](https://junglewise.ai/threats/technologies/silverlight). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2013-3896 exploited in the wild?** Yes. CVE-2013-3896 is known to be exploited in the wild, first recorded on 25 May 2022. Treat it as urgent.

**How severe is CVE-2013-3896?** Critical severity, with a CVSS score of 5.5, published 25 May 2022.

**Which products and versions are affected?** Microsoft Silverlight 5 before 5.1.20913.0.

**Is there a fix for CVE-2013-3896?** A patch was published on 2013-10-08: Microsoft Security Bulletin MS13-087 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2013-3896 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2013-3896?** Check whether you run Microsoft Silverlight. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Microsoft Silverlight 5 before 5.1.20913.0

## Timeline

- 2013-10-09: disclosed: Initial CVE analysis date
- 2022-05-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2013-10-08: patched: Microsoft Security Bulletin MS13-087 released

## Related threats

- [Microsoft Silverlight Runtime Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2016-0034-microsoft-silverlight-runtime-remote-code-execution-vulnerability)
- [Microsoft Silverlight Double Dereference Vulnerability](https://junglewise.ai/threats/cve-2013-0074-microsoft-silverlight-double-dereference-vulnerability)