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CVE-2026-4440 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: March 20, 2026

Google Chrome - Out of Bounds Read & Write

Published: March 20, 2026Updated: March 20, 2026Remote Exploitable

Overview

Google Chrome < 146.0.7680.153 contains an out of bounds read and write vulnerability in WebGL, letting remote attackers perform arbitrary read/write via crafted HTML pages, exploit requires no special privileges.

Severity & Score

Severity: High
CVSS Score: 8.8
EPSS Score: 2.7%(Probability of exploitation in next 30 days)

Impact

Remote attackers can perform arbitrary read and write operations, potentially leading to full system compromise.

Mitigation

Update to version 146.0.7680.153 or later.

Social Media Activity(1 post)

Catalin Cimpanu
Catalin Cimpanu
@campuscodi
Apr 19, 2026

Exploit code for a recently patched Chrome vulnerability has leaked online via a misconfigured server. Security firm Breakglass believes the code is the work of a "professional exploit developer," and most intended for "sale or government use." https://intel.breakglass.tech/post/cve-2026-4440-chrome-exploit-dev-server-open-directory

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Details

CVE ID
CVE-2026-4440
Severity
High
CVSS Score
8.8
Type
out_of_bounds_rw
Status
confirmed
EPSS
2.7%
Social Posts
1

CWE

  • CWE-125

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Score

2.7%Probability of exploitation in the next 30 days