Improper Access Control in Samsung Emergency Sharing Functionality
CVE-2026-20977

6.9MEDIUM

Key Information:

Vendor

Samsung
Status
Samsung Devices
Vendor
CVE Published:
4 February 2026

What is CVE-2026-20977?

The Emergency Sharing feature in Samsung devices prior to the SMR February 2026 Release 1 is susceptible to an improper access control vulnerability. This flaw allows local attackers to exploit the system, potentially disrupting the functionality of Emergency Sharing. Users are urged to update their device software to the latest version to mitigate potential risks associated with this vulnerability.

Affected Version(s)

Samsung Mobile Devices SMR Feb-2026 Release in Android 14, 15, 16

References

https://security.samsungmobile.com/securityUpdate.smsb?ye...

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.