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Vulnerability details

CVE-2026-109422

NetEase Cloud Music for Windows

NetEase Cloud Music RCE via os.navigateExternal IPC

CVSS 4.0
9.2Critical

Official description

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.

CVSS scores

ScoreVersionSourceVector
9.2Critical 4.0 CVEProject cvelistV5 (CNA) (VulnCheck) CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.1High 3.1 CVEProject cvelistV5 (CNA) (VulnCheck) CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
NetEase NetEase Cloud Music for Windows 3.1.38 CVEProject cvelistV5 (CNA)
NetEase NetEase Cloud Music for Windows 3.1.39.205426 CVEProject cvelistV5 (CNA)

References and advisories

3
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Details

Published
2026-10-12
Last updated
2026-10-27
State
Published
Assigner (CNA)
VulnCheck
Kolun priority
25 · Low

Exploit prediction (EPSS)

0.52%
Probability of exploitation in 30 days
44.5%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-749
    Exposed Dangerous Method or Function