CVE-2026-20978

CVSS 5.8 MEDIUMEPSS 0.1%

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.8EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

04 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

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

Affected products

Samsung Mobile · Samsung Mobile Devices

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References

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