CVE-2025-63946: Race Condition

Published Feb 23, 2026
·
Updated

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.

Affected Software

2 affected components
Tencent PC Manager<=17.10.28554.205
Tencent Pcmanager Windows<=17.10.28554.205

Event History

Feb 23, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·08:28 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-63946?

CVE-2025-63946 is considered a high severity privilege escalation vulnerability that allows local users to execute programs with elevated privileges.

2

How do I fix CVE-2025-63946?

To mitigate CVE-2025-63946, users should update Tencent PC Manager to version 17.10.28554.206 or later.

3

Who is affected by CVE-2025-63946?

CVE-2025-63946 affects users of Tencent PC Manager versions up to and including 17.10.28554.205 on Windows devices.

4

What causes CVE-2025-63946?

CVE-2025-63946 is caused by a race condition in the Tencent PC Manager app that allows for privilege escalation.

5

What type of attack does CVE-2025-63946 facilitate?

CVE-2025-63946 facilitates local privilege escalation, enabling an attacker with local access to execute arbitrary code with higher privileges.

Contact

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