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HarmonyOS CVE-2026-49307

| EUVDEUVD-2026-60067 MEDIUM
Information Exposure (CWE-200)
2026-08-17 huawei GHSA-47g3-j7ch-m874
6.2
CVSS 3.1 · Vendor: huawei
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Severity by source

Vendor (huawei) PRIMARY
6.2 MEDIUM
AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
6.2 MEDIUM

Local attack vector with no privileges required is consistent with a permission bypass accessible to any local app; impact is confidentiality-only with no integrity or availability effect.

3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (huawei).

CVSS VectorVendor: huawei

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

1
Analysis Generated
Aug 17, 2026 - 13:35 vuln.today

DescriptionCVE.org

Permission control vulnerability in the multi-mode input module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

AnalysisAI

Improper permission control in HarmonyOS 6.1.0's multi-mode input module exposes sensitive service data to local, unprivileged processes. The flaw, rooted in CWE-200 (information exposure), allows a local attacker or malicious application without elevated privileges to read confidential data handled by the input subsystem. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Local device access is required - the CVSS vector specifies AV:L, confirming this is not remotely exploitable. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 6.2 medium score reflects a local-only attack surface (AV:L), which substantially constrains real-world exploitability compared to network-exposed vulnerabilities. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Patch available per Huawei's August 2026 security bulletins - users and administrators should apply the updates detailed at https://consumer.huawei.com/en/support/bulletin/2026/8/ for consumer handsets, https://consumer.huawei.com/en/support/bulletinvision/2026/8/ for vision devices, and https://consumer.huawei.com/en/support/bulletinlaptops/2026/8/ for laptops. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-49307 vulnerability details – vuln.today

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