CVE-2017-8699 Code injection in Windows Shell

What is CVE-2017-8699?

CVE-2017-8699 is a high-severity code injection vulnerability in Microsoft Windows 10, published on 13 Sep 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

Windows Shell in Microsoft Windows 7 SP1, Windows Server 2008 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an attacker to run arbitrary code in the context of the current user, due to the way that Windows Shell validates file copy destinations, aka "Windows Shell Remote Code Execution Vulnerability".

Weakness: CWE-20

Which versions are affected by CVE-2017-8699?

It affects 7 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 1 more.

How do I fix CVE-2017-8699?

No fix has been published for CVE-2017-8699 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2017-8699 being exploited?

There is no known exploitation of CVE-2017-8699 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Windows 10

• CVE-2015-2426 Microsoft Windows Adobe Type Manager Library Remote Code Execution Exploited High 8.8
• CVE-2015-1769 Microsoft Windows Mount Manager Privilege Escalation Exploited Medium 6.6
• CVE-2020-1467 Windows Hard Link Elevation of Privilege Vulnerability Critical 10.0
• CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability Critical 9.9
• CVE-2021-28476 Windows Hyper-V Remote Code Execution Vulnerability Critical 9.9

All Microsoft Windows 10 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-h4xw-vj67-jj9f.