CVE-2017-8749 Memory corruption in Internet Explorer

High 7.5 Published 13 Sep 2017 Updated 17 Sep 2024

Attacker can execute arbitrary code via memory corruption in Internet Explorer, requiring user interaction to view malicious content.

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-2017-8749?

CVE-2017-8749 is a high-severity memory corruption vulnerability in Microsoft Internet Explorer, published on 13 Sep 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

Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 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 Internet Explorer accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8747.

Weakness: CWE-119

Which versions are affected by CVE-2017-8749?

It affects 1 product.

Products include Microsoft Internet Explorer.

How do I fix CVE-2017-8749?

No fix has been published for CVE-2017-8749 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-2017-8749 being exploited?

There is no known exploitation of CVE-2017-8749 in the wild and no public exploit code.

All Microsoft Internet Explorer vulnerabilities

Sources

Also known as GHSA-w9q6-h43c-q4g5.