CVE-2026-95339CWE-416

CVE-2026-95339

Critical · published September 29, 2026

CVSS v3.1
9.6
EPSS
0%
Percentile
41.6
In the wild
Unconfirmed
What it is

Use after free in ServiceWorker in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00496 · 41.6th percentile
Weakness
CWE-416 · Use After Free
Published
2026-09-29T22:17Z
Affected products (1)
ProductVersionsFixed in
google/chrome< 154.0.8037.57154.0.8037.57
References (2)
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0856730748.html · [email protected]https://issues.chromium.org/issues/548585299 · [email protected]
EPSS history
Timeline
  • 01 OCT 03:50Z
    EPSS moved — → 0%
    epss
  • 29 SEP 17:31Z
    Use after free in ServiceWorker in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted…
    cvelistv5