Improper access control in Google Chromium - CVE-2026-17703

 

Improper access control in Google Chromium - CVE-2026-17703

Published: July 30, 2026


Vulnerability identifier: #VU140158
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-17703
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper access restrictions in Chrome for iOS. A remote attacker can create a specially crafted web page, trick the victim into visiting it, bypass implemented security restrictions and gain unauthorized access to sensitive information or manipulate data.


Affected software

Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
chromium (Debian package)

How to mitigate CVE-2026-17703

Install update from vendor's website.

Google Chromium - update to 151.0.7922.71
Microsoft Edge - update to 151.0.4129.59
Google Chrome - update to 151.0.7922.71
chromium (Debian package) - update to 151.0.7922.71-1~deb13u1

External References

Related Security Bulletins