Cryptographic issues in Google Chromium - CVE-2026-17859
Published: July 30, 2026
Vulnerability identifier: #VU140314
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-17859
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to side-channel information leak in Favicons. Chrome Medium. A remote attacker can create a specially crafted web page, trick the victim into opening it and gain access to sensitive information.
Affected software
Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
chromium (Debian package)
Microsoft Edge
Google Chrome
Debian Linux
chromium (Debian package)
How to mitigate CVE-2026-17859
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
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