Netskope Threat Labs

BROWSER-CHROME Google Chrome CSSFontFeatureValuesMap memory corruption attempt

IPS-SWG

1 SID: 65990

First seen
March 2026
Last seen
October 2026

Detects web content that exploits CVE-2026-2441, a memory corruption vulnerability involving the CSSFontFeatureValuesMap interface that can allow remote code execution. The rule matches style sheets that declare font feature values and then mutate the map's entries while the engine iterates over them.