CVE-2018-1004 Memory corruption in Internet Explorer 9

High 8.8 Published 12 Apr 2018 Updated 5 Aug 2024

Remote attackers can execute arbitrary code by exploiting a memory handling flaw in the Windows VBScript 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-2018-1004?

CVE-2018-1004 is a high-severity memory corruption vulnerability in Microsoft Internet Explorer, published on 12 Apr 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 in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Internet Explorer 9, Windows RT 8.1, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10.

Weakness: CWE-787

Which versions are affected by CVE-2018-1004?

It affects 8 products.

Products include Microsoft Internet Explorer, Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008 and 2 more.

How do I fix CVE-2018-1004?

No fix has been published for CVE-2018-1004 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-2018-1004 being exploited?

There is no known exploitation of CVE-2018-1004 in the wild and no public exploit code.

All Microsoft Internet Explorer vulnerabilities

Sources

Also known as GHSA-jrwg-jrgf-8pvv.