Netskope Threat Labs

BROWSER-IE Microsoft Internet Explorer uninitialized pointer attempt

IPS-SWG

1 SID: 38776

First seen
January 2022
Last seen
August 2026

Detects web content that exploits CVE-2016-0186 and CVE-2016-0191, uninitialized pointer conditions in Internet Explorer's scripting engine that can allow code execution. The rule matches the proxy traps and array concatenation that public exploits use to reach the uninitialized object state.