CVE-2026-20978 PUBLISHED

Assigner: SamsungMobile
Reserved: 11.12.2025 Published: 04.02.2026 Updated: 04.02.2026

Improper authorization in KnoxGuardManager prior to SMR Feb-2026 Release 1 allows local attackers to bypass the persistence configuration of the application.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
CVSS Score: 5.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	Low	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Samsung Mobile
Product	Samsung Mobile Devices
Versions	Default: affected Version SMR Feb-2026 Release in Android 13, 14, 15 is unaffected

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=02

Problem Types

CWE-269 Impoper Privilege Management