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PatchSiren cyber security CVE debrief

CVE-2026-28553 Huawei CVE debrief

Huawei HarmonyOS and EMUI contain a vulnerability of improper permission control in the theme setting module. Successful exploitation may affect service confidentiality. This medium-severity vulnerability requires verification of patch deployment to prevent potential confidentiality impacts. Affected versions need to be identified and patched. The vulnerability is caused by improper permission control in the theme setting module. Huawei HarmonyOS and EMUI users and administrators should assess exposure and verify patch deployment to protect against potential confidentiality impacts.

Vendor
Huawei
Product
HarmonyOS
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-13
Original CVE updated
2026-10-26
Advisory published
2026-04-13
Advisory updated
2026-10-26

Who should care

Huawei HarmonyOS and EMUI users and administrators should assess exposure and verify patch deployment to protect against potential confidentiality impacts.

Why it matters

CVE-2026-28553 is a medium-severity vulnerability in Huawei HarmonyOS and EMUI that requires verification of patch deployment to prevent potential confidentiality impacts. Affected versions need to be identified and patched.

  • Verify patch deployment for affected versions to prevent potential confidentiality impacts
  • Assess exposure and prioritize confidentiality protection for Huawei HarmonyOS and EMUI

Technical summary

The vulnerability is caused by improper permission control in the theme setting module of Huawei HarmonyOS and EMUI. Successful exploitation of this vulnerability may affect service confidentiality. The CVE record and NVD entry provide details on the vulnerability, including its description, impact, and affected versions. However, specific details on exploitation are not provided. Assess exposure and verify patch deployment for affected versions of Huawei HarmonyOS and EMUI, prioritizing confidentiality protection.

Defensive priority

Assess exposure and verify patch deployment for affected versions of Huawei HarmonyOS and EMUI, prioritizing confidentiality protection.

Recommended defensive actions

  • Inventory affected Huawei HarmonyOS and EMUI versions and assess exposure
  • Verify and apply patches from Huawei for affected versions
  • Monitor for potential confidentiality impacts

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its description, impact, and affected versions. However, specific details on exploitation are not provided.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-28553 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-28553

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-28553 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-28553

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.