What’s Vulnerable › Vulnerabilities

CVE-2016-3387

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 19.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-10-14 · updated 2026-06-17
• Weakness: CWE-264

Description

Microsoft Internet Explorer 10 and 11 and Microsoft Edge do not properly restrict access to private namespaces, which allows remote attackers to gain privileges via unspecified vectors, aka "Microsoft Browser Elevation of Privilege Vulnerability," a different vulnerability than CVE-2016-3388.

Affected products

• Microsoft Edge: all versions
• Microsoft Internet Explorer 11: 10, 11

References

• http://www.securityfocus.com/bid/93381
• http://www.securitytracker.com/id/1036992
• http://www.securitytracker.com/id/1036993
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-118
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-119
• https://www.exploit-db.com/exploits/40607/
• http://www.securityfocus.com/bid/93381
• http://www.securitytracker.com/id/1036992
• http://www.securitytracker.com/id/1036993
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-118
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-119
• https://www.exploit-db.com/exploits/40607/

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