CVE-2017-8639 Memory corruption in Microsoft Scripting Engine
An attacker can execute arbitrary code in the context of the current user via a memory corruption vulnerability in the Microsoft Edge scripting engine.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2017-8639?
CVE-2017-8639 is a high-severity memory corruption vulnerability in Microsoft Edge, published on 8 Aug 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 Windows 10 1607, 1703, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user due to the way that Microsoft browser JavaScript engines render content when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8634, CVE-2017-8635, CVE-2017-8636, CVE-2017-8638, CVE-2017-8640, CVE-2017-8641, CVE-2017-8645, CVE-2017-8646, CVE-2017-8647, CVE-2017-8655, CVE-2017-8656, CVE-2017-8657, CVE-2017-8670, CVE-2017-8671, CVE-2017-8672, and CVE-2017-8674.
Weakness: CWE-119
Which versions are affected by CVE-2017-8639?
It affects 1 product.
Products include Microsoft Edge.
How do I fix CVE-2017-8639?
No fix has been published for CVE-2017-8639 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-2017-8639 being exploited?
There is no known exploitation of CVE-2017-8639 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Edge
Sources
Also known as GHSA-6hf6-hm5c-w8wg.