CVE-2019-1408 Memory corruption in Windows

High 7.8 Published Updated

Attackers can exploit a Win32k memory handling flaw to gain elevated 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-2019-1408?

CVE-2019-1408 is a high-severity memory corruption 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

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1393, CVE-2019-1394, CVE-2019-1395, CVE-2019-1396, CVE-2019-1434.

Weakness: CWE-787

Which versions are affected by CVE-2019-1408?

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-2019-1408?

No fix has been published for CVE-2019-1408 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-1408 being exploited?

There is no known exploitation of CVE-2019-1408 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-f5gh-x8hf-4hph.

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