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CVE-2026-17656: Use after free in Google Chrome

0
Critical
VulnerabilityCVE-2026-17656cvecve-2026-17656
Published: 07/30/2026 (07/30/2026, 00:18:44 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

A use-after-free vulnerability exists in the Ozone component of Google Chrome prior to version 151.0.7922.72. This flaw allows a remote attacker to potentially escape the browser sandbox by crafting a malicious HTML page. The vulnerability is rated critical with a CVSS score of 9.6. Google has released an update in version 151.0.7922.72 to address this issue.

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, 16:58:12 UTC

Technical Analysis

CVE-2026-17656 is a critical use-after-free vulnerability in the Ozone subsystem of Google Chrome before version 151.0.7922.72. Exploitation requires a user to visit a specially crafted HTML page, which may allow a remote attacker to perform a sandbox escape, compromising browser security boundaries. The vulnerability has a CVSS 3.1 base score of 9.6, reflecting high impact on confidentiality, integrity, and availability. Google published a stable channel update that fixes this vulnerability in Chrome version 151.0.7922.72.

Potential Impact

Successful exploitation can lead to sandbox escape, allowing an attacker to break out of Chrome's security sandbox. This could result in full compromise of the affected system's confidentiality, integrity, and availability. No known exploits in the wild have been reported at the time of publication.

Mitigation Recommendations

Users and administrators should update Google Chrome to version 151.0.7922.72 or later to remediate this vulnerability. The vendor advisory confirms that this update addresses the issue. No additional mitigation steps are indicated.

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Technical Details

Data Version
5.2
Assigner Short Name
Chrome
Date Reserved
2026-07-27T23:34:15.589Z
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]

Threat ID: 6a6aa07c9c2644c7f849a624

Added to database: 07/30/2026, 00:53:16 UTC

Last enriched: 08/06/2026, 16:58:12 UTC

Last updated: 09/10/2026, 19:59:44 UTC

Views: 65

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