CVE-2026-106420

Description

Incorrect calculation in API in Google Chrome on on Windows prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to spoof UI elements via a crafted Chrome extension. (Chromium security severity: Medium)

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Weakness Type (CWE)

CWE-682 CWE-682

References

Other References

https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html https://issues.chromium.org/issues/477327257

Frequently Asked Questions

What is CVE-2026-106420? +

Incorrect calculation in API in Google Chrome on on Windows prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to spoof UI elements via a crafted Chrome extension. (Chromium security severity: Medium)

How do I check if I'm vulnerable to CVE-2026-106420? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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