EUVD-2026-74633
GHSA-g985-cfxj-6q8r
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/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
Network-reachable ImsService default-on, no auth or interaction needed; integrity high (system-level arbitrary writes); confidentiality low (path leakage only); no availability impact described.
Primary rating from Vendor (SamsungMobile).
CVSS VectorVendor: SamsungMobile
Lifecycle Timeline
2DescriptionCVE.org
Path traversal in ImsService prior to SMR Sep-2026 Release 1 allows remote attackers to create image files with system server privilege.
AnalysisAI
Path traversal in Samsung's ImsService (IP Multimedia Subsystem Service) on Android 14 through 17 permits remote unauthenticated attackers to create image files at arbitrary filesystem paths under system server privilege. Reported by Samsung Mobile and patched in SMR Sep-2026 Release 1, the flaw is reachable over LTE and Wi-Fi networks with no user interaction required, as reflected in the CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) scoring 8.8. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The target must be a Samsung OEM Android device running Android 14, 15, 16, or 17 with ImsService active - the default state for any Samsung device with LTE or Wi-Fi Calling enabled. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N) scores 8.8, reflecting network-reachable unauthenticated exploitation with high integrity impact on the vulnerable system - a realistic and serious risk profile for any organization managing Samsung Android endpoints. … 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 | The primary remediation is applying SMR Sep-2026 Release 1 via Samsung's over-the-air update mechanism; this is the vendor-released patch per the advisory at https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Samsung devices running Android 14-17 and confirm availability of SMR Sep-2026 Release 1 for your device models. …
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External POC / Exploit Code
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