EUVD-2026-42827
GHSA-f2f7-m9f4-p7f9
Severity by source
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/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
Local vector and high privilege confirmed by description; memory corruption yields high integrity and availability impact with only limited confidentiality exposure.
Primary rating from Vendor (samsung).
CVSS VectorVendor: samsung
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/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
Lifecycle Timeline
1DescriptionCVE.org
Improper input validation in Samsung Pass prior to version 5.2.10.3 allows local privileged attackers to write out-of-bounds memory.
AnalysisAI
Out-of-bounds memory write in Samsung Pass prior to version 5.2.10.3 enables local privileged attackers to corrupt process memory, producing high integrity and availability impact with limited confidentiality exposure. The root cause is improper input validation - a buffer overflow class defect - confirmed by Samsung's mobile security team and catalogued under EUVD-2026-42827. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local, high-privilege access to a Samsung device running Samsung Pass prior to version 5.2.10.3, as confirmed by the CVSS 4.0 vector (AV:L/PR:H). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 base score of 6.8 accurately captures the constrained risk profile: AV:L and PR:H together mean an attacker must already hold high-privilege local access - a significant prerequisite that sharply limits the realistic attacker population compared to network-exploitable or low-privilege flaws. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A local attacker holding device administrator privileges or root-equivalent access on a Samsung device running Samsung Pass prior to 5.2.10.3 supplies specially crafted input to the vulnerable input-validation routine within Samsung Pass. The malformed data causes the application to write beyond the allocated buffer boundary, corrupting adjacent memory - which could crash the Samsung Pass process, disrupt credential autofill, or potentially overwrite data structures to influence subsequent application logic. … |
| Remediation | Update Samsung Pass to version 5.2.10.3 or later, as confirmed by EUVD-2026-42827 and the Samsung Mobile Security bulletin at https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=07. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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