CVE-2019-1235 Privilege escalation in Windows

High 7.8 Published Updated

Attackers can elevate privileges by exploiting insufficient input validation in the Windows Text Service Framework server process.

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-2019-1235?

CVE-2019-1235 is a high-severity vulnerability in Microsoft Windows 10, published on 11 Sep 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 Text Service Framework (TSF) when the TSF server process does not validate the source of input or commands it receives, aka 'Windows Text Service Framework Elevation of Privilege Vulnerability'.

Weakness: CWE-346

Which versions are affected by CVE-2019-1235?

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-2019-1235?

No fix has been published for CVE-2019-1235 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-1235 being exploited?

There is no known exploitation of CVE-2019-1235 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-mg77-6v9g-p6gc.

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