CVE-2026-41962 Overview
CVE-2026-41962 is a permission control vulnerability in the app management and control module documented in the Huawei consumer security bulletin. The flaw resides in how the module enforces permission boundaries between application components. Successful exploitation may affect service confidentiality by exposing data that should remain restricted to authorized callers.
The issue is categorized under [CWE-264] (Permissions, Privileges, and Access Controls). Exploitation requires local access and user interaction, and no public proof-of-concept or in-the-wild exploitation has been reported.
Critical Impact
A local attacker who convinces a user to interact with a crafted application can read confidential data handled by the app management and control module.
Affected Products
- Huawei consumer devices referenced in the May 2026 security bulletin
- Components within the app management and control module
- See the Huawei Security Bulletin for the device and build matrix
Discovery Timeline
- 2026-05-15 - CVE CVE-2026-41962 published to NVD
- 2026-05-15 - Last updated in NVD database
Technical Details for CVE-2026-41962
Vulnerability Analysis
The vulnerability stems from improper permission control inside the app management and control module. The module fails to fully validate the caller's permissions before exposing data or operations that should be access restricted. This belongs to the broken access control class of flaws tracked under [CWE-264].
Exploitation is limited to a local attack vector and requires user interaction, such as installing or launching a crafted application. The attack does not require prior authentication, but the scope is changed because the vulnerable component can influence resources outside its own security authority. Only confidentiality is affected; integrity and availability of the targeted service remain intact.
No proof-of-concept code is publicly available, and the vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog. The Exploit Prediction Scoring System places near-term exploitation likelihood at the very low end of the distribution.
Root Cause
The root cause is missing or insufficient permission checks inside the app management and control module. When a caller requests data or invokes a restricted operation, the module does not enforce the intended permission boundary, allowing an unprivileged local application to obtain information that the access control policy should block.
Attack Vector
An attacker must run code locally on the device, typically through a malicious or repackaged application. The attacker then triggers user interaction, after which the crafted app invokes the vulnerable interface in the app management and control module. The module returns confidential data to the attacker-controlled component without enforcing the required permission. No verified exploit code is published; refer to the Huawei Security Bulletin for vendor-supplied technical context.
Detection Methods for CVE-2026-41962
Indicators of Compromise
- Installation of unsigned or sideloaded applications that request access to app management interfaces
- Unexpected inter-process communication targeting the app management and control module from third-party apps
- Audit log entries showing access to restricted app metadata from non-system UIDs
Detection Strategies
- Inventory installed applications on managed devices and flag packages sourced outside trusted stores
- Review platform audit logs for permission denials and successful access events tied to the app management and control module
- Correlate device telemetry with the build versions listed in the Huawei advisory to identify unpatched endpoints
Monitoring Recommendations
- Monitor mobile device management (MDM) compliance reports for devices running pre-patch builds identified in the bulletin
- Track application install events and permission grants on Huawei consumer devices in scope
- Alert on anomalous local application behavior that queries system-level app management APIs
How to Mitigate CVE-2026-41962
Immediate Actions Required
- Apply the security update referenced in the May 2026 Huawei consumer security bulletin to all affected devices
- Restrict installation of applications to vetted, trusted sources and disable sideloading where feasible
- Enforce MDM policies that quarantine devices running build versions below the patched release
Patch Information
Huawei addresses the issue in the firmware releases listed in the Huawei Security Bulletin. Administrators should validate that devices report the patched build identifier after the update is applied. No vendor advisory beyond the consumer bulletin has been published in the enriched data.
Workarounds
- Avoid installing applications from unknown or untrusted sources until the patch is deployed
- Require user training on social engineering tactics that lead to malicious app installation
- Use MDM controls to restrict which applications can interact with system-level management interfaces
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
