CVE-2016-3296 ChakraCore RCE Vulnerability

What is CVE-2016-3296?

CVE-2016-3296 is a high-severity memory corruption vulnerability in Microsoft Edge, published on 9 Aug 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 engine in Microsoft Edge allows remote attackers to execute arbitrary code via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability."

Weakness: CWE-119

Which versions are affected by CVE-2016-3296?

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

Products include Microsoft Edge.

How do I fix CVE-2016-3296?

No fix has been published for CVE-2016-3296 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2016-3296 being exploited?

There is no known exploitation of CVE-2016-3296 in the wild and no public exploit code.

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-5ppx-g65v-4vfv.