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EPSS 0.3%top 83%

CVE-2026-14420: Out of bounds read and write in Google Chrome

0
Critical
VulnerabilityCVE-2026-14420cvecve-2026-14420
Published: 07/01/2026 (07/01/2026, 22:21:49 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

Out of bounds read and write in Dawn in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

CVSS v3.1

Score 9.6critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected software

google/chrome
pkg:deb/google/chrome
Affected versions
<150.0.7871.46

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/09/2026, 09:16:29 UTC

Technical Analysis

This vulnerability involves out-of-bounds memory access (read and write) in the Dawn component of Google Chrome versions before 150.0.7871.46. Exploitation could allow a remote attacker to escape the sandbox environment via a specially crafted HTML page, compromising browser security boundaries. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and high impact on confidentiality, integrity, and availability. The vendor advisory linked references a stable channel update but does not explicitly state patch status or remediation level.

Potential Impact

Successful exploitation could lead to a sandbox escape, allowing an attacker to execute code outside the browser's restricted environment. This can result in full compromise of the affected system's confidentiality, integrity, and availability. The vulnerability is rated critical with a CVSS score of 9.6. No known active exploits have been reported at this time.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. The vendor advisory URL provided should be monitored for updates on patch availability or official fixes. Until a patch is confirmed, users should exercise caution when browsing untrusted websites and avoid interacting with suspicious HTML content.

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Technical Details

Data Version
5.2
Assigner Short Name
Chrome
Date Reserved
2026-07-01T21:37:33.095Z
Cvss Version
null
State
PUBLISHED
Remediation Level
null
Vendor Advisory Urls
[{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html","vendor":"Google"}]

Threat ID: 6a459a0b27e9c7971943c0d7

Added to database: 07/01/2026, 22:51:55 UTC

Last enriched: 07/09/2026, 09:16:29 UTC

Last updated: 08/11/2026, 16:20:36 UTC

Views: 91

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