CVE-2018-8249 Memory corruption in Internet Explorer 11

High 7.5 Published Updated

Remote attackers can execute arbitrary code by exploiting a memory corruption flaw in Internet Explorer 11.

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-2018-8249?

CVE-2018-8249 is a high-severity memory corruption vulnerability in Microsoft Internet Explorer, published on 14 Jun 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 11. This CVE ID is unique from CVE-2018-0978.

Weakness: CWE-787

Which versions are affected by CVE-2018-8249?

It affects 1 product.

Products include Microsoft Internet Explorer.

How do I fix CVE-2018-8249?

No fix has been published for CVE-2018-8249 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-2018-8249 being exploited?

There is no known exploitation of CVE-2018-8249 in the wild and no public exploit code.

All Microsoft Internet Explorer vulnerabilities

Sources

Also known as GHSA-xgg3-c4wr-66h2.

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