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

High 7.3 Published Updated

Local attackers can exploit an uncontrolled search path in Discord's WINSTA.dll to execute arbitrary code or escalate privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-4525?

CVE-2025-4525 is a high-severity path traversal vulnerability in Discord, published on 10 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-427, CWE-426

Which versions are affected by CVE-2025-4525?

It affects 1 product.

Products include Discord Discord.

How do I fix CVE-2025-4525?

No fix has been published for CVE-2025-4525 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-4525 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4525 exists.

Sources

Also known as GHSA-936r-ccvf-h37h.

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