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CVE-2026-58555

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版本存在权限许可和访问控制问题漏洞，该漏洞源于卡模块中存在权限绕过问题，可能影响系统可用性。

CVSS 6.6 · Medium EPSS 0.11% · P1

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Huawei HarmonyOS 6.1.0 affected
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I. Basic Information for CVE-2026-58555

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Permission bypass vulnerability in the card module. 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:N/UI:R/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
权限、特权和访问控制
Source: CVE Program / CVE List V5
Vulnerability Title
Huawei HarmonyOS 权限许可和访问控制问题漏洞
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版本存在权限许可和访问控制问题漏洞，该漏洞源于卡模块中存在权限绕过问题，可能影响系统可用性。
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-2026-58555

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III. Intelligence Information for CVE-2026-58555

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Vendor Advisories for CVE-2026-58555 (2)

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-2026-58554 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-2026-58557 4.8 MEDIUM Huawei HarmonyOS 处理逻辑错误漏洞
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-264

V. Comments for CVE-2026-58555

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