What’s Vulnerable › Vulnerabilities

CVE-2016-0034: Microsoft Silverlight Runtime Remote Code Execution Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-05-25
• EPSS: 69.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-01-13 · updated 2026-08-14

Description

Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding, which allows remote attackers to execute arbitrary code or cause a denial of service (object-header corruption) via a crafted web site, aka "Silverlight Runtime Remote Code Execution Vulnerability."

Affected products

• Microsoft Silverlight: from 5.0 before 5.1.41212.0 — fixed in 5.1.41212.0

How to fix

Upgrade to a fixed version: Microsoft Silverlight 5.1.41212.0. Check the vendor advisory for mitigations.

References

• http://www.securitytracker.com/id/1034655
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-006
• http://www.securitytracker.com/id/1034655
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-006
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-0034

Get alerted when CVE-2016-0034 or the next vulnerability affects your stack