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[CVE-2026-85046] Mind the (Patch) Gap: Multiple Chinese Threat Actors Chain 0-day Exploits in Chrome & Windows

Summary

On September 1, 2026, Volexity’s Network Security Monitoring service detected a spear-phishing campaign from a Chinese threat actor it tracks as UTA0560 targeting customers at multiple non-governmental organizations (NGOs). The emails contained a message encouraging the users to a click a link that led to the website of a US-based university. These links abused a reflected cross-site scripting (XSS) vulnerability on the website, redirecting recipients to threat-actor-controlled infrastructure hosting a multi-stage exploit chain that included a Google Chrome zero-day, CVE-2026-85046. Volexity analyzed its email telemetry and discovered that another Chinese threat actor it tracks as JungleBamboo (also known as APT31/Violet Typhoon/TA412) was also exploiting the same vulnerability chain against a different set of targets using different infrastructure and post-exploitation malware.
CVE
CVE-2026-85046
Published
Collected