What’s Vulnerable › Vulnerabilities

CVE-2016-3367

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 17.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-09-14 · updated 2026-06-17
• Weakness: CWE-119

Description

StringBuilder in Microsoft Silverlight 5 before 5.1.50709.0 does not properly allocate memory for string-insert and string-append operations, which allows remote attackers to execute arbitrary code via a crafted web site, aka "Microsoft Silverlight Memory Corruption Vulnerability."

Affected products

• Microsoft Silverlight: 5.0

References

• http://www.securityfocus.com/bid/92837
• http://www.securitytracker.com/id/1036795
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-109
• http://www.securityfocus.com/bid/92837
• http://www.securitytracker.com/id/1036795
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-109

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