CVE-2025-41259CWE-367

SWUpdate Untrusted Script Execution via Signed Update TOCTOU

High · published June 3, 2026

CVSS v4.0
7.3
EPSS
0%
Percentile
0.9
In the wild
Unconfirmed
What it is

SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivileged attackers to escalate privileges to root or install untrusted contents using a signed update.

The record
Technical detail
CVSS v4.0
7.3 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00101 · 0.9th percentile
Weakness
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2026-06-03T11:01Z
EPSS history
Timeline
  • 03 JUN 11:01Z
    SWUpdate Untrusted Script Execution via Signed Update TOCTOU
    cvelistv5