CVE-2026-15515
Tencent PC Manager QMUDisk Driver qmudisk64.sys uncontrolled search path
- State
- Published
- Severity
- 7.3 High
- Published
- Jul 13, 2026
- Updated
- Jul 15, 2026
- Reserved
- Jul 12, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.3 High | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.0 High | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 7.0 High | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 6.0 Medium | AV:L/AC:H/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
PC ManagerTencent |
|
References
- VDB-377844 | Tencent PC Manager QMUDisk Driver qmudisk64.sys uncontrolled search pathvdb-entry
- VDB-377844 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-15515 | CVE Analysis and Reportthird-party-advisory
- Submit #848643 | Tencent PC Manager 18,1,30242,301 Improper Access Controlsthird-party-advisory
- https://github.com/subsubsub1231/qmukillerexploit
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