CVE-2018-8353 Use after free in n/a

High 7.5 Published 15 Aug 2018 Updated 5 Aug 2024

Remote attackers can execute arbitrary code via a use-after-free vulnerability in the Internet Explorer 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-2018-8353?

CVE-2018-8353 is a high-severity use after free vulnerability in Microsoft Internet Explorer, published on 15 Aug 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 scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-8355, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8373, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.

Weakness: CWE-416

Which versions are affected by CVE-2018-8353?

It affects 1 product.

Products include Microsoft Internet Explorer.

How do I fix CVE-2018-8353?

No fix has been published for CVE-2018-8353 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2018-8353 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-8353 exists.

Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.

All Microsoft Internet Explorer vulnerabilities

Sources

Also known as GHSA-r7hq-ppp5-wmmx.