CVE-2026-21124CWE-20

CVE-2026-21124

published October 12, 2026

CVSS
8.6
EPSS
0%
Percentile
6.5
In the wild
Unconfirmed
What it is

Improper input validation in getting cover image in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code.

The record
Technical detail
CVSS
8.6 · NONE
CVSS v4.0
8.6 · CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00174 · 6.5th percentile
Weakness
CWE-20 · Improper Input Validation
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
    Improper input validation in getting cover image in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially…
    cvelistv5
  • 12 OCT 04:57Z
    Improper input validation in getting cover image in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially…
    cvelistv5