CVE-2026-15515
Tencent PC Manager QMUDisk Driver qmudisk64.sys uncontrolled search path
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.
INFO
Published Date :
July 13, 2026, 1:17 a.m.
Last Modified :
July 13, 2026, 1:17 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update QMUDisk Driver component when vendor releases patch.
- Remove or disable the QMUDisk Driver if not essential.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-15515.
| URL | Resource |
|---|---|
| https://github.com/subsubsub1231/qmukiller | |
| https://vuldb.com/cve/CVE-2026-15515 | |
| https://vuldb.com/submit/848643 | |
| https://vuldb.com/vuln/377844 | |
| https://vuldb.com/vuln/377844/cti |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-15515 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-15515
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-15515 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-15515 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 13, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:tencent:pc_manager:*:*:*:*:*:*:*:*'], 'vendor': 'Tencent', 'modules': ['QMUDisk Driver'], 'product': 'PC Manager', 'versions': [{'status': 'affected', 'version': '18.1.30242.301'}]}] Added 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. Added CVSS V4.0 AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V2 (AV:L/AC:H/Au:S/C:C/I:C/A:C) Added CWE CWE-427 Added CWE CWE-426 Added Reference https://github.com/subsubsub1231/qmukiller Added Reference https://vuldb.com/cve/CVE-2026-15515 Added Reference https://vuldb.com/submit/848643 Added Reference https://vuldb.com/vuln/377844 Added Reference https://vuldb.com/vuln/377844/cti