CVE-2025-56503

MEDIUM

Sublime Text 4 4200 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-56503. PoCs published by secxplorers.

AI-analyzed exploit summary The repository describes a local privilege escalation vulnerability in Sublime Text 4 (Version 4200) where an authenticated attacker can replace the uninstall file with a crafted binary to escalate privileges to Administrator. No exploit code is provided, only a description.

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.

Exploits (1)

nomisec WRITEUP
by secxplorers · poc
https://github.com/secxplorers/CVE-2025-56503

The repository describes a local privilege escalation vulnerability in Sublime Text 4 (Version 4200) where an authenticated attacker can replace the uninstall file with a crafted binary to escalate privileges to Administrator. No exploit code is provided, only a description.

Classification
Writeup 80%
Attack Type
Lpe
Complexity
Trivial
Reliability
Theoretical
Target: Sublime Text 4, Version 4200
Auth required
Prerequisites: Authenticated access to the system · Ability to replace files in the installation directory
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v3 6.5
EPSS 0.0024
EPSS Percentile 14.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-266
Status published
Published Nov 10, 2025
Tracked Since Feb 18, 2026