Cryptographic issues in Google Chromium - CVE-2026-17872

Vulnerability identifier: #VU140327

CSH Severity: Low

CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-17872

CWE-ID: CWE-310

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to cryptographic issue in WebAppInstalls. Chrome Medium. A remote attacker can perform MitM attack.

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

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

• https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html
• https://crbug.com/521963740

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Debian update for chromium