CVE-2026-21074: CWE-276: Incorrect Default Permissions in Samsung Mobile Bixby
CVE-2026-21074 is a high-severity vulnerability in Samsung Mobile's Bixby prior to version 4.0.86.0. It involves incorrect default permissions that allow local attackers with limited privileges to execute arbitrary commands with Bixby-level privileges. This vulnerability does not require user interaction and has a high impact on confidentiality and integrity. No official patch or remediation guidance is currently confirmed from the vendor.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-276 (Incorrect Default Permissions), affects Samsung Mobile's Bixby software versions before 4.0.86.0. It allows local attackers with limited privileges to execute arbitrary commands with elevated Bixby privileges due to improper default permission settings. The CVSS 4.0 base score is 7.2, reflecting a high severity with local attack vector, low attack complexity, and no user interaction required. The vulnerability impacts confidentiality and integrity at a high level. No vendor advisory or patch information is currently available to confirm remediation status.
Potential Impact
Local attackers with limited privileges can exploit this vulnerability to execute arbitrary commands with Bixby privileges, potentially leading to unauthorized actions within the Bixby environment. This elevates the attacker's capabilities beyond their original privilege level, impacting system confidentiality and integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only and monitor for suspicious local activity related to Bixby.
CVE-2026-21074: CWE-276: Incorrect Default Permissions in Samsung Mobile Bixby
Description
CVE-2026-21074 is a high-severity vulnerability in Samsung Mobile's Bixby prior to version 4.0.86.0. It involves incorrect default permissions that allow local attackers with limited privileges to execute arbitrary commands with Bixby-level privileges. This vulnerability does not require user interaction and has a high impact on confidentiality and integrity. No official patch or remediation guidance is currently confirmed from the vendor.
CVSS v4.0
Score 7.2high
Affected software
Samsung Mobile
Bixby
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-276 (Incorrect Default Permissions), affects Samsung Mobile's Bixby software versions before 4.0.86.0. It allows local attackers with limited privileges to execute arbitrary commands with elevated Bixby privileges due to improper default permission settings. The CVSS 4.0 base score is 7.2, reflecting a high severity with local attack vector, low attack complexity, and no user interaction required. The vulnerability impacts confidentiality and integrity at a high level. No vendor advisory or patch information is currently available to confirm remediation status.
Potential Impact
Local attackers with limited privileges can exploit this vulnerability to execute arbitrary commands with Bixby privileges, potentially leading to unauthorized actions within the Bixby environment. This elevates the attacker's capabilities beyond their original privilege level, impacting system confidentiality and integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only and monitor for suspicious local activity related to Bixby.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.825Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a798b4abf8831d53957fdc4
Added to database: 08/10/2026, 08:26:50 UTC
Last enriched: 08/17/2026, 15:24:13 UTC
Last updated: 09/22/2026, 13:47:43 UTC
Views: 72
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