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CVE-2026-58557

Quick assessment

Affected
Huawei HarmonyOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Huawei harmonyos是中国Huawei公司的一个分布式操作系统平台。 Huawei HarmonyOS 6.1.0版本存在处理逻辑错误漏洞，该漏洞源于Expedition模式的设计缺陷，成功利用可能影响可用性。

CVSS 4.8 · Medium EPSS 0.10% · P1

Affected Version Matrix 1

VendorProduct Version RangeStatus
Huawei HarmonyOS 6.1.0 affected
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I. Basic Information for CVE-2026-58557

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Design defect vulnerability in Expedition mode. Impact: Successful exploitation of this vulnerability may affect availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-701
Source: CVE Program / CVE List V5
Vulnerability Title
Huawei HarmonyOS 处理逻辑错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Huawei harmonyos是中国Huawei公司的一个分布式操作系统平台。 Huawei HarmonyOS 6.1.0版本存在处理逻辑错误漏洞，该漏洞源于Expedition模式的设计缺陷，成功利用可能影响可用性。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Huawei HarmonyOS 6.1.0 -

II. Public POCs for CVE-2026-58557

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III. Intelligence Information for CVE-2026-58557

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Vendor Advisories for CVE-2026-58557 (1)

Same Patch Batch · Huawei · 2026-07-15 · 11 CVEs total

CVE-2026-58558 7.8 HIGH Huawei harmonyos 处理逻辑错误漏洞
CVE-2026-58555 6.6 MEDIUM Huawei HarmonyOS 权限许可和访问控制问题漏洞
CVE-2026-58554 6.6 MEDIUM Huawei HarmonyOS 信息泄露漏洞
CVE-2026-58559 6.5 MEDIUM Huawei harmonyos 资源管理错误漏洞
CVE-2026-58551 5.1 MEDIUM Huawei HarmonyOS 缓冲区错误漏洞
CVE-2026-58552 5.1 MEDIUM Huawei HarmonyOS 缓冲区错误漏洞
CVE-2026-58556 5.1 MEDIUM Huawei harmonyos 权限许可和访问控制问题漏洞
CVE-2026-58549 4.0 MEDIUM Huawei harmonyos 缓冲区错误漏洞
CVE-2026-58550 4.0 MEDIUM Huawei HarmonyOS 缓冲区错误漏洞
CVE-2026-58553 4.0 MEDIUM Huawei HarmonyOS 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: HarmonyOS
Same vendor: Huawei
Same weakness: CWE-701

V. Comments for CVE-2026-58557

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