CVE-2026-28542
Huawei Emui 13.0.0 … 14.2.0
Raw vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:LSummary
CVE-2026-28542 is a high-severity Improper Handling of Exceptional Conditions (CWE-755) vulnerability in Huawei Emui. Its CVSS base score is 7.3 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Client Execution (T1203); ranked at the 0.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified map to SC-24 (Fail in Known State) and SI-17 (Fail-safe Procedures) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2026-28542 is a permission bypass vulnerability in the system service framework affecting Huawei consumer devices, including wearables. Published on 2026-03-05, it carries a CVSS v3.1 base score of 7.3 (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L) and is associated with CWE-755 (NVD-CWE-noinfo). The vulnerability enables improper enforcement of permissions, with successful exploitation potentially impacting availability alongside other effects indicated by the CVSS vector.
A local attacker requires only local access to the system, with low attack complexity, no privileges, and no user interaction. Exploitation can result in high confidentiality impact through unauthorized access to sensitive data, alongside low impacts to integrity and availability.
Huawei has published security bulletins in March 2026 for consumer products and wearables, available at https://consumer.huawei.com/en/support/bulletin/2026/3/ and https://consumer.huawei.com/en/support/bulletinwearables/2026/3/, which provide details on patches and mitigation measures.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-9812
Vulnerability Data
Permission bypass vulnerability in the system service framework. Impact: Successful exploitation of this vulnerability may affect availability.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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- 1 hardening rule · 1 OS baseline
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Mitigating Controls (NIST 800-53 r5) AI
Requires the system to fail to a known safe state on specified failures, limiting the impact of unhandled exceptional conditions.
Mandates explicit fail-safe procedures triggered by indicated failures, structurally preventing unhandled or mishandled exceptional conditions.
Requires generation of appropriate error messages on exceptional conditions, directly enforcing correct handling rather than silent or incorrect behavior.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Secure SDLC practices explicitly require proper exception and error handling during design and coding.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing in development and acceptance verifies correct handling of exceptional conditions.
Documented operating procedures may specify exception handling but do not guarantee implementation.
Logging captures unhandled exceptions, aiding detection but not preventing the weakness.
Monitoring can surface unhandled exceptions but does not enforce proper handling.
Secure SDLC mandates exception-handling requirements and testing that directly prevent improper handling of exceptional conditions.
Application security requirements explicitly include handling of error and exceptional conditions.