Netskope Threat Labs

BROWSER-IE Multiple browsers memory corruption attempt

IPS-CFWIPS-SWG

1 SID: 48052

First seen
December 2023
Last seen
October 2026

Detects web content that exploits memory corruption vulnerabilities across multiple browsers, including CVE-2019-9810 in Firefox and several Microsoft Edge flaws, which can allow code execution. The rule matches the optimization warmup loops that public exploits share across these engines.