CVE-2025-56503 Privilege escalation in n/a

Medium 6.5 Published Updated

Authenticated attackers with low privileges could escalate to Administrator by replacing the uninstall file, though the vendor disputes this requires admin rights.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-56503?

CVE-2025-56503 is a medium-severity vulnerability in n/a, published on 10 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue in Sublime HQ Pty Ltd Sublime Text 4 4200 allows authenticated attackers with low-level privileges to escalate privileges to Administrator via replacing the uninstall file with a crafted binary in the installation folder. NOTE: this is disputed by the Supplier because replacing the uninstall file requires administrator permissions, i.e., there is no privilege escalation.

Weakness: CWE-266

Which versions are affected by CVE-2025-56503?

How do I fix CVE-2025-56503?

No fix has been published for CVE-2025-56503 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-56503 being exploited?

There is no known exploitation of CVE-2025-56503 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-4w6q-x798-rp5x.

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