CVE-2017-11874 Security feature bypass in Microsoft Edge

What is CVE-2017-11874?

CVE-2017-11874 is a low-severity vulnerability in Microsoft Chakracore, published on 15 Nov 2017. 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 Edge in Microsoft Windows 10 1703, 1709, Windows Server, version 1709, and ChakraCore allows an attacker to bypass Control Flow Guard (CFG) to run arbitrary code on a target system, due to how Microsoft Edge handles accessing memory in code compiled by the Edge Just-In-Time (JIT) compiler, aka "Microsoft Edge Security Feature Bypass Vulnerability". This CVE ID is unique from CVE-2017-11863 and CVE-2017-11872.

Which versions are affected by CVE-2017-11874?

It affects 2 products.

Products include Microsoft Chakracore, Microsoft Edge.

How do I fix CVE-2017-11874?

No fix has been published for CVE-2017-11874 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-11874 being exploited?

There is no known exploitation of CVE-2017-11874 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Chakracore

• CVE-2018-8298 ChakraCore Scripting Engine Type Confusion Exploited High 7.5
• CVE-2020-0878 Microsoft Edge and Internet Explorer Memory Corruption Exploited Medium 4.2
• CVE-2018-8500 ChakraCore RCE Vulnerability Critical 9.8
• CVE-2017-11767 ChakraCore vulnerable to privilege escalation Critical 9.8
• CVE-2017-8658 ChakraCore RCE Vulnerability Critical 9.8

All Microsoft Chakracore vulnerabilities

Sources

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

Also known as GHSA-mpq3-wcg8-72j4.