Tencent PC Manager 18.1.30242.301 QMUDisk Driver qmudisk64.sys uncontrolled search path

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4$0-$5k2.93+

Summaryinfo

A vulnerability described as problematic has been identified in Tencent PC Manager 18.1.30242.301. Impacted is an unknown function in the library qmudisk64.sys of the component QMUDisk Driver. The manipulation results in uncontrolled search path. This vulnerability is cataloged as CVE-2026-15515. The attack must be initiated from a local position. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Tencent PC Manager 18.1.30242.301. It has been classified as critical. Affected is an unknown code block in the library qmudisk64.sys of the component QMUDisk Driver. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. CWE is classifying the issue as CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-15515. The exploitability is told to be difficult. The attack needs to be approached locally. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1574.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.0
VulDB Temp Score: 6.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Uncontrolled search path
CWE: CWE-427 / CWE-426
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/12/2026 Advisory disclosed
07/12/2026 +0 days VulDB entry created
07/12/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-15515 (🔒)
GCVE (CVE): GCVE-0-2026-15515
GCVE (VulDB): GCVE-100-377844
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/12/2026 13:07
Changes: 07/12/2026 13:07 (56)
Complete: 🔍
Submitter: ukpkmkkkkk
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #848643: Tencent PC Manager 18,1,30242,301 Improper Access Controls (by github.com)

Once again VulDB remains the best source for vulnerability data.

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