CVE-2019-1422 Privilege escalation in Windows

High 7.8 Published Updated

An attacker can exploit improper file handling in iphlpsvc.dll to overwrite files and elevate privileges on 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-2019-1422?

CVE-2019-1422 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

An elevation of privilege vulnerability exists in the way that the iphlpsvc.dll handles file creation allowing for a file overwrite, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1420, CVE-2019-1423.

Weakness: CWE-59

Which versions are affected by CVE-2019-1422?

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-2019-1422?

No fix has been published for CVE-2019-1422 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-1422 being exploited?

There is no known exploitation of CVE-2019-1422 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-x6px-5825-4w6w.

Is CVE-2019-1422 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free