CVE-2026-109422
HIGHDescription
NetEase Cloud Music client for Windows (cloudmusic.exe) versions 3.1.38 and 3.1.39.205426 contains a remote code execution vulnerability in the renderer-process IPC bridge os.navigateExternal, which passes caller-supplied URLs to ShellExecuteW without validating the URL scheme. An attacker able to inject content into the renderer, such as by forging the /pc/upgrade/get API response using a publicly known AES key over an unvalidated TLS connection, can invoke os.navigateExternal with a file:// URL through an img onerror payload to execute arbitrary local binaries under the logged-in user's account.
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.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Moderate risk: more likely to be exploited than 43% of all known CVEs.
References
Related Vulnerabilities
Other CWE-749 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2021-34996 | High | 8.8 | 82% | - | - |
| CVE-2010-0738 | Medium | 5.3 | 75% | KEV + Ransom | - |
| CVE-2018-10931 | Critical | 9.8 | 68% | - | Fix |
| CVE-2010-1428 | High | 7.5 | 61% | KEV + Ransom | - |
| CVE-2023-38124 | High | 8.8 | 60% | - | Fix |
| CVE-2006-1547 | High | 7.5 | 55% | KEV | Fix |
Common questions
How do I fix CVE-2026-109422?
No published fix for CVE-2026-109422 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-109422 being actively exploited?
Not that we know of. CVE-2026-109422 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.52% is the estimated probability that it will be exploited in the next 30 days. That is higher than 43% of all scored CVEs.
How severe is CVE-2026-109422?
CVE-2026-109422 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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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 2026-10-16.