CVE-2018-0840

Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, and Internet Explorer and Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows remote code execution, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0834, CVE-2018-0835, CVE-2018-0836, CVE-2018-0837, CVE-2018-0838, CVE-2018-0856, CVE-2018-0857, CVE-2018-0858, CVE-2018-0859, CVE-2018-0860, CVE-2018-0861, and CVE-2018-0866.

• CWE-787

• http://www.securityfocus.com/bid/102886Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1040369Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1040372Third Party Advisory, VDB Entry
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0840Patch, Vendor Advisory
• https://www.exploit-db.com/exploits/44077/Exploit, Third Party Advisory, VDB Entry
• http://www.securityfocus.com/bid/102886Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1040369Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1040372Third Party Advisory, VDB Entry
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0840Patch, Vendor Advisory
• https://www.exploit-db.com/exploits/44077/Exploit, Third Party Advisory, VDB Entry

Published

Feb 15, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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