CVE-2018-8631 Memory corruption in Internet Explorer 10

High 7.5 Published Updated

Remote attackers can execute arbitrary code by exploiting a memory corruption flaw in Internet Explorer.

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-2018-8631?

CVE-2018-8631 is a high-severity memory corruption vulnerability in Microsoft Internet Explorer, published on 12 Dec 2018. 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

A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10.

Weakness: CWE-787

Which versions are affected by CVE-2018-8631?

It affects 1 product.

Products include Microsoft Internet Explorer.

How do I fix CVE-2018-8631?

No fix has been published for CVE-2018-8631 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-2018-8631 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-8631 exists.

Public exploit code: 1 Exploit-DB entry.

All Microsoft Internet Explorer vulnerabilities

Sources

Also known as GHSA-9mgp-pmwj-v879.

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