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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "16"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "15"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "14"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Android", "source": "cna", "vendor": "Google"}, "product": "android", "vendor": "google"}], "analysis": {"en": {"generated_at": "2026-04-16T14:27:57.652705+00:00", "value": {"mitigation_remediation": ["Deploy the latest Android security update that contains the KeyguardServiceDelegate fix.", "Configure device management policies so that only trusted applications may bind to services provided by KeyguardServiceDelegate, ensuring the required credential check is enforced.", "Enforce application pinning and restrict background service access for apps that do not need interaction with the keyguard service."], "summary": {"action": "Patch", "impact": "Local Information Disclosure"}, "threat_synthesis": {"affected_systems": "Vulnerable devices run Android 14.0, 15.0, and 16.0. The issue appears in the KeyguardServiceDelegate implementation across these releases and applies to all device builds of these OS versions that have not been updated to a patched release.", "description_and_impact": "Android devices have a flaw in the KeyguardServiceDelegate component. When a service is disconnected, a missing permission check can allow an application to bypass expected pinning restrictions and interact with other applications without knowing the device\u2019s login screen key field. This weakness is classified as an information exposure failure (CWE\u2011200) and can result in local information disclosure, depending on the target app. No extra execution privileges or user interaction are required for exploitation.", "risk_and_exploitability": "The CVSS score of 6.2 indicates moderate severity, and the EPSS score of less than one percent suggests a low likelihood of exploitation at the time of analysis. The vulnerability is not listed in the CISA KEV catalog, and no public exploits have been reported. An attacker can take advantage of the flaw locally by triggering a service disconnection; because no user interaction or elevated privileges are needed, the risk is confined to the device owner\u2019s data and the applications present on the device."}}}}, "created": "2026-03-03T08:41:50.192805+00:00", "title": "App Pinning Bypass in Android KeyguardServiceDelegate Allows Local Information Disclosure", "updated": "2026-04-16T14:30:16.160398+00:00", "vendors": ["google", "google$PRODUCT$android"]}