CVE-2020-1548 Windows WaasMedic Service Information Disclosure Vulnerability

High 7.8 Published Updated

An attacker with local execution rights can run a crafted application to improperly disclose memory via the Windows WaasMedic Service.

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-2020-1548?

CVE-2020-1548 is a high-severity vulnerability in Microsoft Windows 10, published on 17 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An information disclosure vulnerability exists when the Windows WaasMedic Service improperly handles memory. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to improperly disclose memory. The security update addresses the vulnerability by correcting how the Windows WaasMedic Service handles memory.

Which versions are affected by CVE-2020-1548?

It affects 3 products.

Products include Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019.

How do I fix CVE-2020-1548?

No fix has been published for CVE-2020-1548 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-1548 being exploited?

There is no known exploitation of CVE-2020-1548 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-q3jg-mphp-wvv9.

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