Improper access control in Emergency Sharing prior to SMR Feb-2026 Release 1 allows local attackers to interrupt its functioning.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Samsung
  • Mobile Devices

No data.

No data.

References
Link Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=02 cve-icon cve-icon
History

Wed, 04 Feb 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Samsung
Samsung mobile Devices
Vendors & Products Samsung
Samsung mobile Devices

Wed, 04 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 04 Feb 2026 06:45:00 +0000

Type Values Removed Values Added
Description Improper access control in Emergency Sharing prior to SMR Feb-2026 Release 1 allows local attackers to interrupt its functioning.
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published: 2026-02-04T06:14:37.454Z

Updated: 2026-02-04T16:54:35.161Z

Reserved: 2025-12-11T01:33:35.799Z

Link: CVE-2026-20977

cve-icon Vulnrichment

Updated: 2026-02-04T16:54:32.338Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-04T07:15:59.510

Modified: 2026-02-04T16:33:44.537

Link: CVE-2026-20977

cve-icon Redhat

No data.