CVE-2017-11774 Microsoft Office Outlook Security Feature Bypass
Attackers can execute arbitrary commands via memory handling flaws in Microsoft Outlook, bypassing security features.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2017-11774?
CVE-2017-11774 is a high-severity vulnerability in Microsoft Outlook, published on 13 Oct 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Microsoft Outlook 2010 SP2, Outlook 2013 SP1 and RT SP1, and Outlook 2016 allow an attacker to execute arbitrary commands, due to how Microsoft Office handles objects in memory, aka "Microsoft Outlook Security Feature Bypass Vulnerability."
Weakness: CWE-119
Which versions are affected by CVE-2017-11774?
It affects 1 product.
Products include Microsoft Outlook.
How do I fix CVE-2017-11774?
No fix has been published for CVE-2017-11774 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.
Is CVE-2017-11774 being exploited?
Yes. Attackers have exploited CVE-2017-11774 in the wild since at least 3 Nov 2021.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Outlook
Sources
Also known as GHSA-9cq3-gr97-qxf7.