CVE-2016-3387 Privilege escalation in n/a

What is CVE-2016-3387?

CVE-2016-3387 is a high-severity vulnerability in Microsoft Edge, published on 14 Oct 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-264

Which versions are affected by CVE-2016-3387?

It affects 2 products.

Products include Microsoft Edge, Microsoft Internet Explorer.

How do I fix CVE-2016-3387?

No fix has been published for CVE-2016-3387 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-3387 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-3387 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Microsoft Edge

• CVE-2021-26411 Microsoft Internet Explorer Memory Corruption Exploited High 8.8
• CVE-2016-7200 Microsoft Edge Memory Corruption Exploited High 8.8
• CVE-2016-7201 Microsoft Edge Memory Corruption Exploited High 8.8
• CVE-2017-0037 Microsoft Edge and Internet Explorer Type Confusion Exploited High 8.1
• CVE-2016-3351 Microsoft Internet Explorer and Edge Information Disclosure Exploited Medium 6.5

All Microsoft Edge vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-65wq-h5m6-882f.