High severity · published Oct 12, 2026
CVE-2026-21139
Improper access control in Samsung Continuity Service for windows prior to version 4.6.1217.0 allows adjacent attackers to manipulate the connected mobile device
7.3
CVSS
0.1%
EPSS
No
On KEV
Description
Improper access control in Samsung Continuity Service for windows prior to version 4.6.1217.0 allows adjacent attackers to manipulate the connected mobile device.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Samsung Continuity Service for windows · Samsung Mobile
All versions, or not specified · source: vendor
Affected product
SC
Samsung Continuity Service for windows
Samsung Mobile