CVE-2026-10886CWE-416

Use after free in FileSystem in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page

Critical · published June 4, 2026

CVSS v3.1
9.6
EPSS
6%
Percentile
93.5
In the wild
Unconfirmed
What it is

Use after free in FileSystem in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape 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
0.06163 · 93.5th percentile
Weakness
CWE-416 · Use After Free
Published
2026-06-04T23:03Z
EPSS history
Timeline
  • 04 JUN 23:03Z
    Use after free in FileSystem in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page
    cvelistv5