CVE-2026-79084 Weak cryptography in Chrome

Medium 4.3 Published Updated

A remote attacker can bypass web origin policy in Google Chrome on Windows via a crafted HTML page due to inadequate encryption strength in notifications.

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-2026-79084?

CVE-2026-79084 is a medium-severity vulnerability in Google Chrome, published on 25 Aug 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

Inadequate encryption strength in Notifications in Google Chrome on on Windows prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-326

Which versions are affected by CVE-2026-79084?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-79084?

Upgrade to a fixed version.

Is CVE-2026-79084 being exploited?

There is no known exploitation of CVE-2026-79084 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-79084, ECHO-c045-dee4-2681, GHSA-ffmj-6m6j-w89f, MINI-8fpv-c77f-h6c9.

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