CVE-2026-14078 Privilege escalation in Chrome

High 8.8 Published Updated

Remote attackers can escalate privileges via a crafted HTML page due to insufficient input validation in WebRTC.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-14078?

CVE-2026-14078 is a high-severity vulnerability in Google Chrome, published on 30 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Insufficient validation of untrusted input in WebRTC in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to perform privilege escalation via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-20

Which versions are affected by CVE-2026-14078?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-14078?

Upgrade to a fixed version.

Is CVE-2026-14078 being exploited?

There is no known exploitation of CVE-2026-14078 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-14078, ECHO-1bcd-c852-2747, GHSA-j4g3-hmm7-q437, MINI-wwc7-8jmw-897m.

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