CVE-2013-0074
Published 2013-03-13 · Updated 2026-08-14 · Source secure@microsoft.com
Summary
CVE-2013-0074 is a high-severity (CVSS 7.8) vulnerability in Microsoft Silverlight. CISA added it to the Known Exploited Vulnerabilities catalog on May 25, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by June 15, 2022. CISA also lists it as known to be used in ransomware campaigns, so it should be prioritised accordingly. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.
All 390 known-exploited Microsoft vulnerabilities →Description
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 vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Microsoft — Silverlight
Name: Microsoft Silverlight Double Dereference Vulnerability
Date added: 2022-05-25 · Due: 2022-06-15
Required action: The impacted product is end-of-life and should be disconnected if still in use.
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
- 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

