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CVE-2016-3387

7.5 · HIGH

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 "Micros…

Published Oct 14, 2016CWE-264EPSS 19.93%

Overview

CVE-2016-3387 is a high-severity vulnerability. It was published on October 14, 2016 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/93381Refwww.securitytracker.com/id/1036992Refwww.securitytracker.com/id/1036993Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-118Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-119Refwww.exploit-db.com/exploits/40607/Refwww.securityfocus.com/bid/93381Refwww.securitytracker.com/id/1036992Refwww.securitytracker.com/id/1036993Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-118

How CyberStrike helps

Frequently asked questions

What is CVE-2016-3387?

CVE-2016-3387 is a high-severity vulnerability. It was published on October 14, 2016 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2016-3387?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-3387?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2016-3387?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-3387 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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