Medium severity · published Oct 12, 2026
CVE-2026-21136
Improper authorization in Smart Switch prior to version 3.7.73 allows physical attackers to invoke application restore process
6.8
CVSS
0.1%
EPSS
No
On KEV
Description
Improper authorization in Smart Switch prior to version 3.7.73 allows physical attackers to invoke application restore process.
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
SS
Smart Switch · Samsung Mobile
All versions, or not specified · source: vendor
Affected product
SS
Smart Switch
Samsung Mobile
More from Smart Switch
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9.8
CVE-2026-20997
Improper verification of cryptographic signature in Smart Switch prior to version 3.7.69.15 allows remote attackers to potentially bypass authentication
7.8
CVE-2025-21062
Use of a broken or risky cryptographic algorithm in Smart Switch prior to version 3.7.67.2 allows local attackers to replace the restoring application
7.5
CVE-2026-20999
Authentication bypass by replay in Smart Switch prior to version 3.7.69.15 allows remote attackers to trigger privileged functions
6.9
CVE-2026-21138
Insufficient verification of data authenticity in Smart Switch prior to version 3.7.73 allows physical attackers to install arbitrary applications