What is the CVSS score of CVE-2025-58323?

CVE-2025-58323 has a CVSS 3.1 base score of 7.7 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.0%.

Which versions of Mybox are affected by CVE-2025-58323?

Organizations using NAVER MYBOX Explorer for Windows before 3.0.8.133 face notable risk from CVE-2025-58323 rated CVSS 7.7. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-58323?

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

Mybox CVE-2025-58323

HIGH

Incorrect Privilege Assignment (CWE-266)

2025-08-29 cve@navercorp.com

Microsoft Privilege Escalation Mybox Windows

7.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.7 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:09 vuln.today

CVE Published

Aug 29, 2025 - 03:15 nvd

HIGH 7.7

DescriptionCVE.org

NAVER MYBOX Explorer for Windows before 3.0.8.133 allows a local attacker to escalate privileges to NT AUTHORITY\SYSTEM by executing arbitrary files due to improper privilege checks.

AnalysisAI

NAVER MYBOX Explorer for Windows before 3.0.8.133 allows a local attacker to escalate privileges to NT AUTHORITY\SYSTEM by executing arbitrary files due to improper privilege checks. Rated high severity (CVSS 7.7), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-266. NAVER MYBOX Explorer for Windows before 3.0.8.133 allows a local attacker to escalate privileges to NT AUTHORITY\SYSTEM by executing arbitrary files due to improper privilege checks. Affected products include: Navercorp Mybox. Version information: before 3.0.8.133.

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.