CVE-2026-21074: CWE-276: Incorrect Default Permissions in Samsung Mobile Bixby
Incorrect default permissions in Bixby prior to version 4.0.86.0 allows local attackers to execute arbitrary commands with Bixby privilege.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-21074) is categorized under CWE-276 (Incorrect Default Permissions). It affects Samsung Mobile's Bixby software versions prior to 4.0.86.0, where improper default permissions enable local attackers with limited privileges to execute arbitrary commands with elevated Bixby privileges. The CVSS 4.0 score is 7.2, reflecting a high severity with local attack vector, low attack complexity, partial privileges required, no user interaction, and high impact on confidentiality and integrity.
Potential Impact
Successful exploitation allows a local attacker with some privileges to execute arbitrary commands with the privileges of the Bixby service, potentially leading to unauthorized actions within the context of Bixby. There is no indication of remote exploitation or user interaction required. No known exploits are reported in the wild at this time.
Mitigation Recommendations
No official patch or remediation level is currently confirmed. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, limit local access to trusted users and monitor for suspicious local activity related to Bixby.
CVE-2026-21074: CWE-276: Incorrect Default Permissions in Samsung Mobile Bixby
Description
Incorrect default permissions in Bixby prior to version 4.0.86.0 allows local attackers to execute arbitrary commands with Bixby privilege.
CVSS v4.0
Score 7.2high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-21074) is categorized under CWE-276 (Incorrect Default Permissions). It affects Samsung Mobile's Bixby software versions prior to 4.0.86.0, where improper default permissions enable local attackers with limited privileges to execute arbitrary commands with elevated Bixby privileges. The CVSS 4.0 score is 7.2, reflecting a high severity with local attack vector, low attack complexity, partial privileges required, no user interaction, and high impact on confidentiality and integrity.
Potential Impact
Successful exploitation allows a local attacker with some privileges to execute arbitrary commands with the privileges of the Bixby service, potentially leading to unauthorized actions within the context of Bixby. There is no indication of remote exploitation or user interaction required. No known exploits are reported in the wild at this time.
Mitigation Recommendations
No official patch or remediation level is currently confirmed. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, limit local access to trusted users 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
- Remediation Level
- null
Threat ID: 6a798b4abf8831d53957fdc4
Added to database: 08/10/2026, 08:26:50 UTC
Last enriched: 08/10/2026, 08:41:28 UTC
Last updated: 08/10/2026, 17:42:38 UTC
Views: 12
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