CVE-2020-0803 Privilege escalation in Windows

High 7.8 Published Updated

An attacker can exploit a memory handling flaw in the Windows Network Connections Service to elevate privileges on affected Windows systems.

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-2020-0803?

CVE-2020-0803 is a high-severity vulnerability in Microsoft Windows 10, published on 12 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An elevation of privilege vulnerability exists in the way that the Windows Network Connections Service handles objects in memory, aka 'Windows Network Connections Service Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0778, CVE-2020-0802, CVE-2020-0804, CVE-2020-0845.

Which versions are affected by CVE-2020-0803?

It affects 8 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 2 more.

How do I fix CVE-2020-0803?

No fix has been published for CVE-2020-0803 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-0803 being exploited?

There is no known exploitation of CVE-2020-0803 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-cfwj-6rgc-5gvv.

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