CVE-2026-126906Google Chrome time-of-check to time-of-use race
CVE-2026-126906 is a time-of-check to time-of-use race in Google Chrome, not yet scored.
Why this priority: Not scored yet, and no exploitation signal.
Published · Updated · NVD status: Awaiting Analysis
What it is
Something is checked, then changed by an attacker before it is used.
How it is reached
The record does not say yet how the flaw is reached; the description below is the best guide until it is scored.
What an attacker gains
Its impact has not been scored yet. In practice, this kind of flaw lets an attacker win a timing window to bypass a check or corrupt shared state.
Is it being exploited?
There is no public report of exploitation yet.
What to do
- Upgrade Google Chrome to 157.0.8103.78 or later.
Description from NVD
Race condition in Extensions in Google Chrome on on Mac prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to obtain sensitive information via crafted network traffic. (Chromium security severity: High)
What this means for your architecture.
A CVE names a product. Whether it matters depends on where that product sits in your systems: what reaches it, which trust boundary it guards and what it can reach once compromised. Veriom maps your components, their relationships and your trust boundaries from your code, cloud and delivery evidence, so you can see where a component like this sits. The radar itself does not look at your systems.
Components it touches
- Request handlers and jobs that share state. The flaw sits between concurrent requests or processes.
Trust boundaries in play
- Between concurrent requests or processes. An attacker who crosses it can win a timing window to bypass a check or corrupt shared state.
Questions to answer about your own systems
- Where does Google Chrome run in your systems, and at which version?
- Which of those instances are reachable by people you do not trust?
- What can it reach once compromised: which data stores, secrets and services?
Read more
Sources
- CVE records and CVSS scores from the NVD CVE API. This product uses the NVD API but is not endorsed or certified by the NVD.
- Exploitation status from CISA’s Known Exploited Vulnerabilities catalog.
- Exploit likelihood from FIRST’s Exploit Prediction Scoring System (EPSS), refreshed daily.
- Explanations are written by Veriom from fixed templates over each record’s data, not by a person reviewing each CVE. Descriptions are quoted from the records as published.