CVE-2025-4525: Discord WINSTA.dll uncontrolled search path

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-05-10 · updated 2026-06-17
Weakness: CWE-426

Description

A vulnerability, which was classified as critical, has been found in Discord 1.0.9188 on Windows. Affected by this issue is some unknown functionality in the library WINSTA.dll. The manipulation leads to uncontrolled search path. The attack needs to be approached locally. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Discord: 1.0.9188

References

https://gist.github.com/shellkraft/ac4be6a3953e2889a7bf54aea2db88c2
https://vuldb.com/?ctiid.308270
https://vuldb.com/?id.308270
https://vuldb.com/?submit.562788
https://gist.github.com/shellkraft/ac4be6a3953e2889a7bf54aea2db88c2

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