Microsoft Internet Explorer 10 and 11 and Microsoft Edge have a type confusion issue in the Layout::MultiColumnBoxBuilder::HandleColumnBreakOnColumnSpanningElement function in mshtml.dll, which allows remote attackers to execute arbitrary code via vectors involving a crafted Cascading Style Sheets (CSS) token sequence and crafted JavaScript code that operates on a TH element.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0037
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0037
https://bugs.chromium.org/p/project-zero/issues/detail?id=1011
https://0patch.blogspot.si/2017/03/0patching-another-0-day-internet.html
http://www.securitytracker.com/id/1037906