Severity by source
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Local attack vector with high privilege required; limited CIA impact confined to the vulnerable system with no scope change.
Primary rating from Vendor (SamsungMobile).
CVSS VectorVendor: SamsungMobile
Lifecycle Timeline
2DescriptionCVE.org
Improper authentication in ActivityTaskManagerService prior to SMR Sep-2026 Release 1 allows local privileged attackers to launch arbitrary activity.
AnalysisAI
Improper authentication in Samsung's ActivityTaskManagerService allows local privileged attackers on affected Android devices to launch arbitrary activities, bypassing intended access controls. The flaw affects Samsung Mobile Devices running Android 14 through 17 and is addressed in the SMR Sep-2026 Release 1 patch. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local access to the Samsung Android device and a calling process with high system-level privileges (PR:H per CVSS 4.0 vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is moderate-to-low despite the Samsung ecosystem's broad deployment footprint. … 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 | Apply the Samsung Monthly Security Release for September 2026 (SMR Sep-2026 Release 1), which addresses the improper authentication in ActivityTaskManagerService. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-285 – Improper Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-74638
GHSA-9r8w-qx67-pr9h