# CVE-2013-0074: Microsoft Silverlight Double Dereference Vulnerability

Source: https://junglewise.ai/threats/cve-2013-0074-microsoft-silverlight-double-dereference-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-2013-0074 · Severity: critical · CVSS 9.3 · Exploited in the wild · Published 2022-05-25

Microsoft Silverlight fails to properly validate pointers during HTML object rendering. This double dereference vulnerability allows remote attackers to execute arbitrary code via a specially crafted Silverlight application.

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

## Quick answers

**Is CVE-2013-0074 exploited in the wild?** Yes. CVE-2013-0074 is known to be exploited in the wild, first recorded on 25 May 2022. Treat it as urgent.

**How severe is CVE-2013-0074?** Critical severity, with a CVSS score of 9.3, published 25 May 2022.

**Which products and versions are affected?** Microsoft Silverlight 5 before 5.1.20125.0; Microsoft Silverlight 5 Developer Runtime before 5.1.20125.0.

**Is there a fix for CVE-2013-0074?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2013-0074 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2013-0074?** 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 5.1.20125.0
- Microsoft Silverlight 5 Developer Runtime before 5.1.20125.0

## Timeline

- 2013-03-12: advisory: Microsoft Security Bulletin MS13-022 published
- 2022-05-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-05-25: exploited: Confirmed exploited in the wild per CISA KEV catalog entry

## 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 Information Disclosure Vulnerability](https://junglewise.ai/threats/cve-2013-3896-microsoft-silverlight-information-disclosure-vulnerability)