Bixby Local Privileges Escalation via Default Permissions (<=4.0.86.0)
CVE-2026-21074 Published on August 10, 2026

Incorrect default permissions in Bixby prior to version 4.0.86.0 allows local attackers to execute arbitrary commands with Bixby privilege.

NVD

Vulnerability Analysis

CVE-2026-21074 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE

Weakness Type

Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.


Products Associated with CVE-2026-21074

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Samsung Bixby
 

Affected Versions

Samsung Mobile Bixby:

Exploit Probability

EPSS
0.14%
Percentile
2.98%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.