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Tencent

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high threat

UNC3569 Exploitation of Sogou Input Method to Deploy GRAYRABBIT Backdoor

UNC3569 exploited a command-line argument injection flaw in Sogou Input Method to trigger an insecure Chromium component and execute the GRAYRABBIT backdoor.

Sogou Input Method UNC3569 backdoor exploitation cve-2026-51990 grayrabbit
1r 4t 1c 6i
high advisory

Tencent PC Manager QMUDisk Driver Uncontrolled Search Path Vulnerability (CVE-2026-15515)

A high-severity uncontrolled search path vulnerability (CVE-2026-15515) in the `qmudisk64.sys` component of Tencent PC Manager 18.1.30242.301 allows a local attacker to execute arbitrary code with elevated privileges, despite high complexity and difficult exploitability, due to public exploit disclosure.

Tencent PC Manager cve vulnerability privilege-escalation windows
1c