EUVD-2026-74628
GHSA-76j3-93c5-24hp
Severity by source
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
AV:L for local app delivery; PR:N because no Android permissions needed; S:C because execution escapes app sandbox into system server.
Primary rating from Vendor (SamsungMobile).
CVSS VectorVendor: SamsungMobile
Lifecycle Timeline
3DescriptionCVE.org
Out-of-bounds write in libmdnie.so prior to SMR Sep-2026 Release 1 allows local attackers to execute arbitrary code with system server privilege.
AnalysisAI
Out-of-bounds write in libmdnie.so on Samsung Mobile Devices running Android 15, 16, and 17 enables local attackers to execute arbitrary code with system server privilege. The flaw resides in Samsung's proprietary Mobile Display Image Enhancement (mdnie) library, which is accessible from low-privilege application contexts with no special Android permissions required. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must have local code execution on the target Samsung device - typically through installation of a malicious application, either via social engineering, sideloading, or a compromised app store distribution. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H) reflects a local, no-complexity attack with no prerequisites and full impact on the vulnerable component - consistent with a malicious Android app that can reach the library without declaring special permissions. … 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 SMR Sep-2026 Release 1, which includes the patched version of libmdnie.so for Android 15, 16, and 17. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Samsung mobile devices running Android 15, 16, or 17 in use across the organization. …
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External POC / Exploit Code
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