8.8
HIGH CVSS 3.1
CVE-2026-4446
Google Chrome WebRTC Use-After-Free Heap Corruption Vulnerability
Description

Use after free in WebRTC in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

INFO

Published Date :

March 20, 2026, 2:16 a.m.

Last Modified :

March 20, 2026, 3:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-4446 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Google chrome
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update Google Chrome to version 146.0.7680.153 or later to fix heap corruption.
  • Update Google Chrome to the latest version.
  • Apply security patches from Google.
  • Avoid visiting unknown HTML pages.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-4446.

URL Resource
https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html
https://issues.chromium.org/issues/486421954
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-4446 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-4446 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-4446 vulnerability anywhere in the article.

  • Daily CyberSecurity
Urgent Patch: Massive Google Chrome Update Patches 26 Flaws, Including 3 Critical Bugs

Google has announced a significant security update for the Chrome stable channel, addressing a staggering 26 security vulnerabilities. The update, which brings the browser to version 146.0.7680.153/15 ... Read more

Published Date: Mar 20, 2026 (14 hours, 33 minutes ago)

The following table lists the changes that have been made to the CVE-2026-4446 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Mar. 20, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • New CVE Received by [email protected]

    Mar. 20, 2026

    Action Type Old Value New Value
    Added Description Use after free in WebRTC in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
    Added CWE CWE-416
    Added Reference https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html
    Added Reference https://issues.chromium.org/issues/486421954
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.