Vulnerability Report

CVE-2025-63946

Title: Privilege escalation via race condition in Tencent PC Manager

Auth Bypass

Proof Of Concept

PoC Available for CVE-2025-63946

CWE Category CWE-59
Published Date Feb 23, 2026
Modified Date Feb 26, 2026
Exploit Status Available
Score 7.4 CVSS v3.1
Exploit Probability (EPSS)
0.04%

Vulnerability Summary

CVE-2025-63946: A privilege escalation (PE) vulnerability in the Tencent PC Manager app thru 17.10.28554.205 on Windows devices enables a local user to execute programs with elevated privileges. However, execution requires that the local user is able to successfully exploit a race condition.

Impacted Vendors

T
tencent 1

Reference Links

https://github.com/alexlee820/CVE-2025-63946-Tencent-PC-Manager-EoP/blob/main/README.md https://github.com/alexlee820/Tencent-PC-Manager-EoP
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity HIGH
7.4
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-63946 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/alexlee820/CVE-2025-63946-Tencent-PC-Manager-EoP
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.