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EPSS 0.2%top 87%

CVE-2026-9951: Use after free in Google Chrome

0
High
VulnerabilityCVE-2026-9951cvecve-2026-9951
Published: 05/28/2026 (05/28/2026, 22:25:34 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

CVE-2026-9951 is a use-after-free vulnerability in the UI component of Google Chrome versions prior to 148.0.7778.216. This flaw could allow a remote attacker to potentially escape the browser sandbox by crafting a malicious HTML page. The vulnerability is rated as high severity with a CVSS score of 8.3. No known exploits in the wild have been reported at the time of publication. The vendor advisory linked does not explicitly confirm patch availability or remediation status.

CVSS v3.1

Score 8.3high

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

Affected software

google/chrome
pkg:deb/google/chrome
Affected versions
<148.0.7778.216

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/05/2026, 21:14:57 UTC

Technical Analysis

This vulnerability involves a use-after-free condition in the UI of Google Chrome before version 148.0.7778.216. Exploitation requires user interaction (UI:R) and a high attack complexity (AC:H). If successfully exploited, it could lead to a sandbox escape, compromising confidentiality, integrity, and availability of the affected system. The CVSS vector indicates network attack vector, no privileges required, and scope change, highlighting the potential severity of the issue.

Potential Impact

Successful exploitation could allow a remote attacker to break out of the Chrome sandbox, potentially leading to full system compromise including unauthorized access to sensitive information and disruption of system operations. The impact affects confidentiality, integrity, and availability at a high level as per the CVSS score.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html for current remediation guidance. Until an official fix is confirmed, users should exercise caution when browsing untrusted websites and avoid interacting with suspicious content that could trigger this vulnerability.

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Technical Details

Data Version
5.2
Assigner Short Name
Chrome
Date Reserved
2026-05-28T17:24:58.589Z
Cvss Version
null
State
PUBLISHED
Remediation Level
null
Vendor Advisory Urls
[{"url":"https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html","vendor":"Google"}]

Threat ID: 6a18c673e29bf47b503b625c

Added to database: 05/28/2026, 22:49:23 UTC

Last enriched: 06/05/2026, 21:14:57 UTC

Last updated: 07/31/2026, 19:23:00 UTC

Views: 44

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