May 25, 2022 · Applied Cybernetics Group
CVE-2013-0074 — Microsoft Silverlight
known ransomware use
Microsoft Silverlight Double Dereference Vulnerability
- Added to KEV
2022-05-25- Federal due date
2022-06-15- Vendor
- Microsoft
- Product
- Silverlight
- EPSS
- 99.6th percentile (score 0.810, as of
2026-09-16) - NVD CVSS v3.1
- 7.8 (HIGH)
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2013-0074
CISA short description
Microsoft Silverlight does not properly validate pointers during HTML object rendering, which allows remote attackers to execute code via a crafted Silverlight application.
Required action
The impacted product is end-of-life and should be disconnected if still in use.
NVD 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."