(1) IQVW32.sys before 1.3.1.0 and (2) IQVW64.sys before 1.3.1.0 in the Intel Ethernet diagnostics driver for Windows allows local users to cause a denial of service or possibly execute arbitrary code with kernel privileges via a crafted (a) 0x80862013, (b) 0x8086200B, (c) 0x8086200F, or (d) 0x80862007 IOCTL call.
https://www.trellix.com/blogs/research/scattered-spider-the-modus-operandi/
https://www.exploit-db.com/exploits/36392/
https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00051&languageid=en-fr
http://www.securityfocus.com/bid/79623
http://packetstormsecurity.com/files/130854/Intel-Network-Adapter-Diagnostic-Driver-IOCTL-DoS.html