Medium severity · published Jun 5, 2026
CVE-2026-21036
Improper authorization in Samsung Internet prior to version 30.0.0.39 allows local attackers to access sensitive information
5.5
CVSS
0.1%
EPSS
No
On KEV
Description
Improper authorization in Samsung Internet prior to version 30.0.0.39 allows local attackers to access sensitive information.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SI
Samsung Internet · Samsung Mobile
All versions, or not specified · source: vendor
IN
Internet · Samsung
before 30.0.0.39 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21036
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21036
Vendor Advisory
https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=06
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