CVE-2026-21008 | Samsung Devices information disclosure

VDB-357086 · CVE-2026-21008 · GCVE-0-2026-21008 SAMSUNG DEVICES INFORMATION DISCLOSURE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.5 $0-$5k 0.57+ Summaryinfo A vulnerability, which was classified as critical, was found in Samsung Devices. This issue affects some unknown processing. Such manipulation leads to information disclosure. This vulnerability is documented as CVE-2026-21008. The attack requires being on the local network. There is not any exploit available. It is best practice to apply a patch to resolve this issue. Detailsinfo A vulnerability, which was classified as critical, has been found in Samsung Devices (affected version not known). Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes: Exposure of sensitive information in S Share prior to SMR Apr-2026 Release 1 allows adjacent attacker to access sensitive information. The advisory is available at security.samsungmobile.com. This vulnerability is handled as CVE-2026-21008 since 12/11/2025. The exploitation is known to be easy. The attack can only be initiated within the local network. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project. Applying a patch is able to eliminate this problem. Productinfo Vendor Samsung Name Devices License commercial Website Vendor: https://www.samsung.com/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 5.7 VulDB Meta Temp Score: 5.5 VulDB Base Score: 5.7 VulDB Temp Score: 5.5 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Information disclosure CWE: CWE-200 / CWE-284 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Partially Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Patch Status: 🔍 0-Day Time: 🔒 Timelineinfo 12/11/2025 CVE reserved 04/13/2026 +122 days Advisory disclosed 04/13/2026 +0 days VulDB entry created 04/13/2026 +0 days VulDB entry last update Sourcesinfo Vendor: samsung.com Advisory: security.samsungmobile.com Status: Confirmed CVE: CVE-2026-21008 (🔒) GCVE (CVE): GCVE-0-2026-21008 GCVE (VulDB): GCVE-100-357086 Entryinfo Created: 04/13/2026 08:16 Changes: 04/13/2026 08:16 (64) Complete: 🔍 Cache ID: 99:209:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸