How severe is CVE-2025-63946?

CVE-2025-63946 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-63946 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63946?

CVE-2025-63946 affects Tencent Pcmanager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-63946?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-63946 have an EU (EUVD) identifier?

Yes. CVE-2025-63946 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207629.

When was CVE-2025-63946 published?

CVE-2025-63946 was published on 2026-02-23 and last updated on 2026-06-17.

CVE-2025-63946

CVE-2025-63946 is a high-severity vulnerability in Tencent Pcmanager with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207629
Weakness: CWE-59
Affected product: Tencent Pcmanager
Published: 2026-02-23
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-63946?: CVE-2025-63946 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-63946 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63946?: CVE-2025-63946 affects Tencent Pcmanager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-63946?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-63946 have an EU (EUVD) identifier?: Yes. CVE-2025-63946 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207629.
When was CVE-2025-63946 published?: CVE-2025-63946 was published on 2026-02-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tencent:pcmanager:*:*:*:*:*:windows:*:*

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