Medium severity · published Sep 9, 2026
CVE-2026-21111
Out-of-bounds write in libsthmbc.so prior to One UI 8.5 allows local attackers to write out-of-bounds memory
6.9
CVSS
0.1%
EPSS
No
On KEV
Description
Out-of-bounds write in libsthmbc.so prior to One UI 8.5 allows local attackers to write out-of-bounds memory.
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
LI
libsthmbc · Samsung Mobile
All versions, or not specified · source: vendor