CVE-2023-38182 Microsoft Exchange Server Remote Code Execution Vulnerability

High 8.0 Published Updated

Attackers can execute arbitrary code on Microsoft Exchange Server via a deserialization vulnerability, requiring immediate patching.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-38182?

CVE-2023-38182 is a high-severity unsafe deserialization vulnerability in Microsoft Exchange Server, published on 8 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Microsoft Exchange Server Remote Code Execution Vulnerability

Weakness: CWE-502

Which versions are affected by CVE-2023-38182?

It affects 1 product.

Products include Microsoft Exchange Server.

How do I fix CVE-2023-38182?

No fix has been published for CVE-2023-38182 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2023-38182 being exploited?

There is no known exploitation of CVE-2023-38182 in the wild and no public exploit code.

All Microsoft Exchange Server vulnerabilities

Sources

Also known as GHSA-4wv3-22h6-h824.

Is CVE-2023-38182 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free