8.8
HIGH CVSS 3.1
CVE-2026-4676
Google Chrome Use After Free Sandbox Escape
Description

Use after free in Dawn in Google Chrome prior to 146.0.7680.165 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

INFO

Published Date :

March 24, 2026, 1:17 a.m.

Last Modified :

March 24, 2026, 4:50 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-4676 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 Microsoft windows
2 Microsoft edge_chromium
1 Linux linux_kernel
1 Google chrome
1 Apple macos
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 a version that includes the patch for the use-after-free vulnerability.
  • Update Google Chrome to version 146.0.7680.165 or later.
  • Apply vendor patches to address the vulnerability.
  • Avoid opening untrusted HTML pages.
Public PoC/Exploit Available at Github

CVE-2026-4676 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2026-4676.

URL Resource
https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_23.html Release Notes Vendor Advisory
https://issues.chromium.org/issues/488613135 Permissions Required
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-4676 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-2026-4676 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).

CVE-2026-5281 (Chrome Dawn WebGPU UAF) analysis, lab validation tools, and reproducible environment for vulnerable vs patched builds.

google-chrome cve-2026-5281 browser-exploitation

Python HTML

Updated: 5 days, 11 hours ago
1 stars 0 fork 0 watcher
Born at : April 6, 2026, 11:30 a.m. This repo has been linked 7 different CVEs too.

DSA and DLA for Debian last 14 days

Python

Updated: 1 week, 1 day ago
0 stars 0 fork 0 watcher
Born at : Feb. 12, 2025, 2:08 p.m. This repo has been linked 126 different CVEs too.

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

The following list is the news that have been mention CVE-2026-4676 vulnerability anywhere in the article.

  • Help Net Security
Google fixes Chrome zero-day with in-the-wild exploit (CVE-2026-5281)

Google has fixed 21 vulnerabilities affecting its popular Chrome browser, among them a zero-day (CVE-2026-5281) with an in-the-wild exploit. About CVE-2026-5281 As per usual, information about the fix ... Read more

Published Date: Apr 01, 2026 (1 week, 4 days ago)
  • CybersecurityNews
Chrome Security Update Fixes 8 Vulnerabilities Allowing Remote Code Execution

Google has rolled out an urgent security update for the Chrome browser to address eight high-severity vulnerabilities. These newly patched security flaws could allow threat actors to execute arbitrary ... Read more

Published Date: Mar 24, 2026 (2 weeks, 5 days ago)
  • Daily CyberSecurity
8 High-Severity Risks Fixed: Chrome Desktop Update Fixes Critical Memory and Buffer Flaws

In a significant move to bolster user safety, a new Chrome Stable Channel Update has been launched for desktop users. The update brings the browser version to 146.0.7680.164/165 for Windows and Mac, w ... Read more

Published Date: Mar 24, 2026 (2 weeks, 6 days ago)

The following table lists the changes that have been made to the CVE-2026-4676 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.

  • Initial Analysis by [email protected]

    Mar. 24, 2026

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 146.0.7680.164 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
    Added Reference Type Chrome: https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_23.html Types: Release Notes, Vendor Advisory
    Added Reference Type Chrome: https://issues.chromium.org/issues/488613135 Types: Permissions Required
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Mar. 24, 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. 24, 2026

    Action Type Old Value New Value
    Added Description Use after free in Dawn in Google Chrome prior to 146.0.7680.165 allowed a remote attacker to potentially perform a sandbox escape 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_23.html
    Added Reference https://issues.chromium.org/issues/488613135
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.