CVE-2019-1380 Race condition in Windows

High 7.8 Published Updated

A local attacker can exploit a race condition in splwow64.exe 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-2019-1380?

CVE-2019-1380 is a high-severity vulnerability in Microsoft Windows 10, published on 12 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'.

Weakness: CWE-367

Which versions are affected by CVE-2019-1380?

It affects 6 products.

Products include Microsoft Windows 10, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019.

How do I fix CVE-2019-1380?

No fix has been published for CVE-2019-1380 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-1380 being exploited?

There is no known exploitation of CVE-2019-1380 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-4f86-7p6f-wpvq.

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