What is the CVSS score of CVE-2025-56503?

CVE-2025-56503 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Sublime HQ Pty Ltd Sublime Text are affected by CVE-2025-56503?

CVE-2025-56503 presents notable security risk rated CVSS 6.5. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-56503?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Sublime HQ Pty Ltd Sublime Text CVE-2025-56503

MEDIUM

Incorrect Privilege Assignment (CWE-266)

2025-11-10 cve@mitre.org

Privilege Escalation

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:21 vuln.today

CVE Published

Nov 10, 2025 - 20:15 nvd

MEDIUM 6.5

DescriptionCVE.org

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.

AnalysisAI

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. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-266. 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.

Affected ProductsAI

Sublime HQ Pty Ltd Sublime Text 4 4200.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.