CVE-2026-21116
5.1MediumPublished 12 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Impact
- Limited impact
- Weakness
- CWE-787
Impact
Local attackers can corrupt memory to compromise system integrity or cause a denial of service. They need local access on the target device to trigger the vulnerability.
Root cause
An out-of-bounds write flaw exists in the libsmkvextractor.so library.
Affected systems
Samsung Mobile software prior to SMR Oct-2026 Release 1.
CVSS v4.0 · CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Fix & remediation
Upgrade device firmware to Samsung Security Maintenance Release (SMR) Oct-2026 Release 1 or later. No interim workaround is documented.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Out-of-bounds write in libsmkvextractor.so prior to SMR Oct-2026 Release 1 allows local attackers to write out-of-bounds memory.