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CVE-2026-17688: Use after free in Google Chrome

0
Critical
VulnerabilityCVE-2026-17688cvecve-2026-17688
Published: 07/30/2026 (07/30/2026, 00:18:53 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

CVE-2026-17688 is a use-after-free vulnerability in the Input component of Google Chrome prior to version 151.0.7922.72. This flaw could allow a remote attacker who has compromised the renderer process to potentially escape the sandbox by using a specially crafted HTML page. The vulnerability has a critical severity rating with a CVSS score of 9.6.

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

Affected versions
>=151.0.7922.72 <151.0.7922.72

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/06/2026, 17:41:33 UTC

Technical Analysis

This vulnerability involves a use-after-free condition in the Input handling of Google Chrome versions before 151.0.7922.72. Exploitation requires that the attacker has already compromised the renderer process. Successful exploitation could lead to a sandbox escape, allowing the attacker to execute code outside the browser's restricted environment. The vulnerability is rated critical with a CVSS v3.1 score of 9.6, reflecting high impact on confidentiality, integrity, and availability. No known exploits in the wild have been reported at the time of publication. The vendor advisory linked indicates a stable channel update addressing this issue.

Potential Impact

If exploited, this vulnerability could allow an attacker to escape the Chrome sandbox, potentially leading to arbitrary code execution on the host system with elevated privileges. This compromises the security boundaries intended to isolate web content from the underlying operating system, posing a critical risk to user security.

Mitigation Recommendations

A fix is available in Google Chrome version 151.0.7922.72. Users and administrators should update to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for detailed update instructions.

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Technical Details

Data Version
5.2
Assigner Short Name
Chrome
Date Reserved
2026-07-27T23:34:23.140Z
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]

Threat ID: 6a6aa0809c2644c7f849a7a5

Added to database: 07/30/2026, 00:53:20 UTC

Last enriched: 08/06/2026, 17:41:33 UTC

Last updated: 09/12/2026, 10:01:29 UTC

Views: 48

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