CVE-2026-21107CWE-787

CVE-2026-21107

Medium · published September 9, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
0.6
In the wild
Unconfirmed
What it is

Out-of-bounds write in Samsung Notes prior to version 4.4.45.5 allows local attackers to write out-of-bounds memory.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
6.9 · CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
EPSS
0.00094 · 0.6th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-09-09T09:17Z
Affected products (1)
ProductVersionsFixed in
samsung/notes< 4.4.45.54.4.45.5
References (1)
https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=09 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:16Z
    EPSS moved — → 0%
    epss
  • 09 SEP 04:47Z
    Out-of-bounds write in Samsung Notes prior to version 4.4.45.5 allows local attackers to write out-of-bounds memory
    cvelistv5