CVE-2025-58323
CVE-2025-58323 is a high-severity vulnerability in Navercorp Mybox with a CVSS 3.x base score of 7.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-266.
Key facts
- Severity: High (CVSS 3.x base score 7.7)
- EPSS exploit prediction: 0% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-28675
- Weakness: CWE-266
- Affected product: Navercorp Mybox
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2025-58323?
- 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.
- How severe is CVE-2025-58323?
- CVE-2025-58323 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2025-58323 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-58323?
- CVE-2025-58323 affects Navercorp Mybox. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-58323?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-58323 have an EU (EUVD) identifier?
- Yes. CVE-2025-58323 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28675.
- When was CVE-2025-58323 published?
- CVE-2025-58323 was published on 2025-08-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:navercorp:mybox:*:*:*:*:*:windows:*:*
More vulnerabilities in Navercorp Mybox
- CVE-2026-8148 — High (CVSS 7.8): NAVER MYBOX Explorer for Windows before 3.0.11.160 allows a local attacker to escalate privileges to NT…
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