CVE-2026-21068CWE-121

CVE-2026-21068

High · published August 10, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
5.9
In the wild
Unconfirmed
What it is

Stack-based buffer overflow in libril_sem.so prior to SMR Aug-2026 Release 1 allows privileged local attackers to execute arbitrary code.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00168 · 5.9th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-08-10T13:17Z
Affected products (91)
ProductVersionsFixed in
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References (1)
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=08 · [email protected]
EPSS history
Timeline
  • 10 AUG 07:41Z
    Stack-based buffer overflow in libril_sem.so prior to SMR Aug-2026 Release 1 allows privileged local attackers to execute arbitrary code
    cvelistv5