CVE-2018-8377 Memory corruption in Microsoft Edge

High 7.5 Published Updated

Attackers can execute arbitrary code by exploiting improper memory access in Microsoft Edge, requiring users to apply security patches.

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-2018-8377?

CVE-2018-8377 is a high-severity memory corruption vulnerability in Microsoft Edge, 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 when Microsoft Edge improperly accesses objects in memory, aka "Microsoft Edge Memory Corruption Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8387.

Weakness: CWE-787

Which versions are affected by CVE-2018-8377?

It affects 1 product.

Products include Microsoft Edge.

How do I fix CVE-2018-8377?

No fix has been published for CVE-2018-8377 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-2018-8377 being exploited?

There is no known exploitation of CVE-2018-8377 in the wild and no public exploit code.

All Microsoft Edge vulnerabilities

Sources

Also known as GHSA-7h94-jvh4-7hc5.

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