CVE-2026-15515

HIGH

Tencent PC Manager QMUDisk Driver qmudisk64.sys uncontrolled search path

Title source: cna
STIX 2.1

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.

References (5)

Core 5
Core References
Vdb Entry vdb-entry
VDB-377844 | Tencent PC Manager QMUDisk Driver qmudisk64.sys uncontrolled search path
https://vuldb.com/vuln/377844
Signature, Permissions Required signature permissions-required
VDB-377844 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/377844/cti
Third Party Advisory third-party-advisory
CVE-2026-15515 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-15515
Third Party Advisory third-party-advisory
Submit #848643 | Tencent PC Manager 18,1,30242,301 Improper Access Controls
https://vuldb.com/submit/848643

Scores

CVSS v3 7.0
EPSS 0.0012
EPSS Percentile 1.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-426 CWE-427
Status published
Products (1)
Tencent/PC Manager 18.1.30242.301
Published Jul 13, 2026
Tracked Since Jul 13, 2026