CVE-2026-3910highunder attackCWE-119

CVE-2026-3910: high-severity vulnerability in Google Chrome

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51Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA and has an official Brazilian government alert.

ssvc Actcvss 8.8epss 2.7%
from disclosure to weapon
Published on NVDMar 12
CISA KEV+1d
Official alert in Brazil

Brazil's federal government published an alert, recommendation or bulletin that cites this vulnerability.

Source: CTIR Gov (GSI) and CISC Gov.br, under the CC BY-ND 3.0 license.
What the vendors declare (VEX)

Official vendor statements in CSAF/VEX format: whether their product is affected, already fixed, or ruled out — and why. These are the vendor's assertions, not Vexday's judgment.

Red HatVEX document ↗
Not affected
1 product — because the vulnerable code is not present in the product
red_hat_products
Action required by CISAfederal deadline: 2026-03-27

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

In short

A flaw in Chrome's V8 JavaScript engine allowed attackers to run malicious code within the browser sandbox by tricking users into visiting a specially crafted webpage. This bypasses Chrome's security protections designed to prevent harmful programs from accessing your system.

Technical detail

CWE-119 buffer overflow vulnerability in V8 engine enables remote code execution within the sandbox environment. Attack vector requires user interaction (visiting a malicious webpage); impact includes arbitrary code execution with sandbox privileges, potentially leading to further system compromise through sandbox escape techniques.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

Inappropriate implementation in V8 in Google Chrome prior to 146.0.7680.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Google · Chrome
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