CVE-2026-16422: Insufficient validation of untrusted input in Certificate
Chromium: CVE-2026-16422 Insufficient validation of untrusted input in Certificate
Other sources
Insufficient validation of untrusted input in Certificate in Google Chrome on Linux prior to 150.0.7871.182 allowed an attacker in a privileged network position to perform domain spoofing via malicious network traffic. (Chromium security severity: High)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 150.0.7871.181 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 150.0.4078.96 - Upgrade
Upgrade
chromium/google chrome (Linux)to a version that resolves this vulnerability.Fixed in 150.0.7871.182
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2026-16422?
The severity of CVE-2026-16422 is rated as High.
How do I fix CVE-2026-16422?
To fix CVE-2026-16422, update Google Chrome for Linux to version 150.0.7871.182 or later.
What is CVE-2026-16422 about?
CVE-2026-16422 involves insufficient validation of untrusted input in Certificate, allowing possible domain spoofing.
Who is affected by CVE-2026-16422?
CVE-2026-16422 affects users of Google Chrome on Linux prior to version 150.0.7871.182.
What type of vulnerability is CVE-2026-16422 classified as?
CVE-2026-16422 is classified as an Input Validation vulnerability.