Uncontrolled Search Path Vulnerability in Tencent PC Manager by Tencent
CVE-2026-15515

7.3HIGH

Key Information:

Vendor

Tencent

Status
Pc Manager
Vendor
CVE Published:
13 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15515?

A vulnerability has been identified in Tencent PC Manager 18.1.30242.301, specifically in the qmudisk64.sys component of the QMUDisk Driver. This issue allows a local attacker to manipulate the search path, leading to potential unauthorized access or execution of malicious code. The attack's success hinges on a high level of complexity, and while the exploit has been disclosed publicly, the vendor has not responded to initial notifications regarding the issue. Users are advised to remain vigilant and follow best security practices.

Affected Version(s)

PC Manager 18.1.30242.301

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-15515 - Proof of Concept

References

https://vuldb.com/vuln/377844
vdb-entry
https://vuldb.com/vuln/377844/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15515
third-party-advisory

CVSS V4

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ukpkmkkkkk (VulDB User)
VulDB CNA Team
.