Is CVE-2025-63946 in the CISA KEV catalog?

No. CVE-2025-63946 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-63946?

CVE-2025-63946 has a CVSS v3 base score of 7.4 (HIGH).

What is the EPSS score for CVE-2025-63946?

CVE-2025-63946 has an EPSS score of 0.18% (8th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-63946?

No published fix for CVE-2025-63946 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-63946

HIGH

7.4

CVSS v3

NVD

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.

CWE-59Link Following

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.18%probability of exploitation in 30 days

8thpercentile

Low risk: more likely to be exploited than 8% of all known CVEs.

References

Exploit1

github.com

Other references1

github.com

Related Vulnerabilities

Other CWE-59 (Link Following) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-30333	High	7.5	99%	KEV + Ransom	Fix
CVE-2021-21300	High	8.0	89%	-	Fix
CVE-2021-32610	High	7.1	73%	-	Fix
CVE-2020-36193	High	7.5	71%	KEV	Fix
CVE-2023-40028	Medium	4.9	58%	-	Fix
CVE-2020-0787	High	7.8	43%	KEV + Ransom	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-26.