CVE-2016-7201 Microsoft Edge Memory Corruption

What is CVE-2016-7201?

CVE-2016-7201 is a high-severity memory corruption vulnerability in Microsoft Edge, published on 10 Nov 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

The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-7200, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.

Weakness: CWE-843

Which versions are affected by CVE-2016-7201?

2 open source packages ship an affected version, including Microsoft.ChakraCore. It affects 1 product.

Products include Microsoft Edge.

How do I fix CVE-2016-7201?

Upgrade Microsoft.ChakraCore to 1.2.2 or later. US federal agencies must fix it by 18 Apr 2022.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-7201 being exploited?

Yes. Attackers have exploited CVE-2016-7201 in the wild since at least 28 Mar 2022.

Public exploit code: 2 Exploit-DB entries.

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-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
• CVE-2017-0028 Memory corruption in Microsoft ChakraCore Critical 9.8

All Microsoft Edge vulnerabilities

Sources

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

Also known as GHSA-4f5g-j7wg-7w8j.