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CVE-2026-15515

Tencent PC Manager QMUDisk Driver qmudisk64.sys uncontrolled search path

Published: Jul 13, 2026Updated: Jul 15, 2026 Sources: CVE List NVDCWE-426
7.0HIGH
NVD MITRE
EPSS Score
0.1%
Top 98.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-426CWE-427

Affected Products

Tencent
commercial·CNaka tencent hunyuan, tencent wechat
PC ManagerMixed
Communications / messaging-chat

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Persistence
View detailed technique mapping

References

https://vuldb.com/vuln/377844
vuldb.com
https://vuldb.com/vuln/377844/cti
vuldb.com
https://vuldb.com/cve/CVE-2026-15515
vuldb.com
and 2 more references View all →

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