CVE-2026-11153CWE-1300

Side-channel information leakage in Forms in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page

Critical · published June 4, 2026

CVSS v3.1
9.1
EPSS
0%
Percentile
17.3
In the wild
Unconfirmed
What it is

Side-channel information leakage in Forms in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00264 · 17.3th percentile
Weakness
CWE-1300 · Improper Protection of Physical Side Channels
Published
2026-06-04T23:05Z
EPSS history
Timeline
  • 04 JUN 23:05Z
    Side-channel information leakage in Forms in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page
    cvelistv5