CVE-2018-0850 Privilege escalation in Microsoft Outlook

Medium 6.5 Published Updated

Attackers can exploit improper message format validation in Microsoft Outlook to elevate privileges on the victim's system.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2018-0850?

CVE-2018-0850 is a medium-severity vulnerability in Microsoft Office, published on 15 Feb 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Microsoft Outlook 2007, Microsoft Outlook 2010, Microsoft Outlook 2013, Microsoft Outlook 2016, and Microsoft Office 2016 Click-to-Run allow an elevation of privilege vulnerability due to how the format of incoming message is validated, aka "Microsoft Outlook Elevation of Privilege Vulnerability".

Which versions are affected by CVE-2018-0850?

It affects 2 products.

Products include Microsoft Office, Microsoft Outlook.

How do I fix CVE-2018-0850?

No fix has been published for CVE-2018-0850 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-0850 being exploited?

There is no known exploitation of CVE-2018-0850 in the wild and no public exploit code.

All Microsoft Office vulnerabilities

Sources

Also known as GHSA-fgf4-56m5-8934.

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