CVE-2026-21068

High

Open

TLP:CLEAR

NVD CVE.org

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

CVSS Score: 8.4
EPSS Score ⓘ: 0.13%

2.7th percentile
CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence: 90%
Published: Aug 10, 2026
Last Modified: Aug 11, 2026

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