CVE-2026-15515
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk5th percentile - higher than 5% of all known CVEs
Summary
A vulnerability was found in the QMUDisk driver (qmudisk64.sys) of Tencent PC Manager 18.1.30242.301, involving an uncontrolled search path. The attack requires local access and is considered difficult due to high complexity. The exploit has been publicly disclosed.
Risk Assessment
The organization faces risk of local privilege escalation or arbitrary code execution via path manipulation. However, the attack requires physical access and advanced skills.
Recommendation
Immediately update Tencent PC Manager to the latest version and monitor vendor announcements. Until a patch is available, restrict local access and enforce the principle of least privilege.
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Original NVD description (English source)
A security vulnerability has been detected in Tencent PC Manager 18.1.30242.301. This issue affects some unknown processing in the library qmudisk64.sys of the component QMUDisk Driver. The manipulation leads to uncontrolled search path. The attack must be carried out locally. The attack is considered to have high complexity. The exploitability is assessed as difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

