CVE-2023-24860 Microsoft Defender Denial of Service Vulnerability

High 7.5 Published Updated

Attackers can cause a denial of service in Microsoft Defender by exploiting a flaw in the Malware Protection Engine.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-24860?

CVE-2023-24860 is a high-severity denial of service vulnerability in Microsoft Malware Protection Engine, published on 11 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Microsoft Defender Denial of Service Vulnerability

Weakness: CWE-400

Which versions are affected by CVE-2023-24860?

It affects 1 product.

Products include Microsoft Malware Protection Engine.

How do I fix CVE-2023-24860?

No fix has been published for CVE-2023-24860 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-24860 being exploited?

There is no known exploitation of CVE-2023-24860 in the wild and no public exploit code.

Sources

Also known as GHSA-qj2r-8848-46qg.

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