Medium severity · published Feb 4, 2026
CVE-2026-20977
Improper access control in Emergency Sharing prior to SMR Feb-2026 Release 1 allows local attackers to interrupt its functioning
5.5
CVSS
0.1%
EPSS
No
On KEV
Description
Improper access control in Emergency Sharing prior to SMR Feb-2026 Release 1 allows local attackers to interrupt its functioning.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SM
Samsung Mobile Devices · Samsung Mobile
All versions, or not specified · source: vendor
AN
Android · Samsung
14.0; 14.0; 14.0; 14.0; 14.0; 14.0; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20977
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20977
Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=02
More from Samsung Mobile Devices
9.8
CVE-2025-21043
Samsung Mobile Devices Out-of-Bounds Write Vulnerability
9.8
CVE-2025-21042
Samsung Mobile Devices Out-of-Bounds Write Vulnerability
7.8
CVE-2022-22265
Samsung Mobile Devices Use-After-Free Vulnerability
7.8
CVE-2021-25487
Samsung Mobile Devices Out-of-Bounds Read Vulnerability
7.1
CVE-2021-25337
Samsung Mobile Devices Improper Access Control Vulnerability