CVE-2026-21047

Out-of-bounds write in ImsService prior to SMR Jul-2026 Release 1 allows remote attackers to potentially execute arbitrary code

High · published July 28, 2026

CVSS v4.0
8.3
EPSS
1%
Percentile
51.5
In the wild
Unconfirmed
What it is

Out-of-bounds write in ImsService prior to SMR Jul-2026 Release 1 allows remote attackers to potentially execute arbitrary code.

The record
Technical detail
CVSS v4.0
8.3 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00671 · 51.5th percentile
Published
2026-07-28T11:23Z
EPSS history
Timeline
  • 28 JUL 11:23Z
    Out-of-bounds write in ImsService prior to SMR Jul-2026 Release 1 allows remote attackers to potentially execute arbitrary code
    cvelistv5