Huawei Harmony OS vulnerabilities

3 CVEs affecting Huawei Harmony OS, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-58559, published 2026-07-15.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-58559, published 2026-07-15. Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days. DoS vulnerability in the vibration service. Impact: Successful exploitation of this vulnerability may affect availability.
• CVE-2026-58558, published 2026-07-15. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Permission control vulnerability in the file system. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
• CVE-2026-58556, published 2026-07-15. Medium severity, CVSS 5.1. EPSS: 0.1% chance of exploitation in the next 30 days. Permission control vulnerability in the Bluetooth module. Impact: Successful exploitation of this vulnerability may affect availability.