How serious is CVE-2025-63946?

This vulnerability has a CVSS score of 7.4 out of 10, classified as HIGH severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2025-63946?

Yes, proof-of-concept exploit code for CVE-2025-63946 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2025-63946?

CVE-2025-63946 affects tencent pcmanager. Check the full CVE details for specific version information.

How do I fix CVE-2025-63946?

To remediate CVE-2025-63946, check for security patches from tencent. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2025-63946

High

|7.4

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows a local user to run programs with higher permissions than they should have, potentially giving them control over the system. However, the user must first exploit a timing issue in the Tencent PC Manager app, which requires some technical skill.

Technical Description

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.

CVSS Vector Analysis

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeUnchanged

Vector String

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$1,842($1K-$5K)

Vendor Response

Grade APatched in 2 days

Quick Information

Published

Feb 23, 2026

about 1 month ago

Last Modified

Feb 26, 2026

about 1 month ago

Vendor

tencent

Product

pcmanager

Related Vulnerabilities

CVE-2025-63945High

This vulnerability allows a local user to run programs with higher permissions than they should have, potentially giving them control over the system. However, the attacker must first exploit a timing issue in the app, which requires specific conditions to be met.