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CVE-2026-9903

nvd nist
Published: May 28, 2026Modified: Jul 21, 2026

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5.0
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Exploitability: 1.6 / Impact: 3.4
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Insufficient validation of untrusted input in Site Isolation in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted MHTML page. (Chromium security severity: High)

Affected (1)

Products: Google: Chrome
Google
1 product
Chrome
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Chrome
Before 148.0.7778.216

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (2)

Source: chrome-cve-admin@google.com
Release Notes
Source: chrome-cve-admin@google.com
Permissions Required

Timeline

No history available yet.