CVE-2026-103626
Unauthorized FileSystem Access Leading to Remote Code Execution in Chrome on Windows
CVSS v3
9.6
CRITICAL
EPSS Score
—
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Incorrect authorization in FileSystem in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- Published
- 2026-10-02
- Last Modified
- 2026-10-03
Frequently asked questions
What is CVE-2026-103626?
Incorrect authorization in FileSystem in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Is CVE-2026-103626 actively exploited?
Active exploitation of CVE-2026-103626 has not been confirmed.
What is the CVSS score for CVE-2026-103626?
CVE-2026-103626 has a CVSS v3 base score of 9.6 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
Is CVE-2026-103626 affecting your environment?
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