CVE-2019-1132 Microsoft Win32k Privilege Escalation

Exploited in the wild High 7.8 Published Updated

Attackers can exploit a Win32k memory handling flaw to gain elevated privileges on Windows systems.

Exploited in the wild
Since 15 Mar 2022
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-1132?

CVE-2019-1132 is a high-severity vulnerability in Microsoft Windows 7, published on 29 Jul 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'.

Which versions are affected by CVE-2019-1132?

It affects 2 products.

Products include Microsoft Windows 7, Microsoft Windows Server 2008.

How do I fix CVE-2019-1132?

No fix has been published for CVE-2019-1132 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 5 Apr 2022.

Is CVE-2019-1132 being exploited?

Yes. Attackers have exploited CVE-2019-1132 in the wild since at least 15 Mar 2022.

Public exploit code: 1 Exploit-DB entry and 2 proofs of concept on GitHub.

All Microsoft Windows 7 vulnerabilities

Sources

Also known as GHSA-wjj5-qcfr-vxxf.

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