CVE-2026-21116CWE-787

CVE-2026-21116

published October 12, 2026

CVSS
5.1
EPSS
0%
Percentile
4.7
In the wild
Unconfirmed
What it is

Out-of-bounds write in libsmkvextractor.so prior to SMR Oct-2026 Release 1 allows local attackers to write out-of-bounds memory.

The record
Technical detail
CVSS
5.1 · NONE
CVSS v4.0
5.1 · 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
EPSS
0.00159 · 4.7th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-10-12T09:17Z
References (1)
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=10 · [email protected]
EPSS history
Timeline
  • 13 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 12 OCT 04:57Z
    Out-of-bounds write in libsmkvextractor.so prior to SMR Oct-2026 Release 1 allows local attackers to write out-of-bounds memory
    cvelistv5
  • 12 OCT 04:57Z
    Out-of-bounds write in libsmkvextractor.so prior to SMR Oct-2026 Release 1 allows local attackers to write out-of-bounds memory
    cvelistv5