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CVE-2026-9997: Use after free in Google Chrome

0
High
VulnerabilityCVE-2026-9997cvecve-2026-9997
Published: Thu May 28 2026 (05/28/2026, 22:25:49 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

Use after free in Input in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

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

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/28/2026, 23:03:45 UTC

Technical Analysis

This vulnerability involves a use-after-free condition in the Input handling of Google Chrome before version 148.0.7778.216. Exploitation requires prior compromise of the renderer process and could lead to sandbox escape, increasing the attacker's privileges beyond the renderer sandbox. The issue is recognized as high severity by Chromium security but lacks a CVSS score and explicit remediation details in the provided information.

Potential Impact

Successful exploitation could allow an attacker with control over the renderer process to escape the sandbox, potentially leading to greater system compromise. However, exploitation requires prior compromise of the renderer process, which limits the initial attack vector. There are no known exploits in the wild as per the provided data.

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. Since this is not a cloud service, remediation depends on applying updates to affected Chrome versions. Until confirmation, users should update to version 148.0.7778.216 or later if available.

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Technical Details

Data Version
5.2
Assigner Short Name
Chrome
Date Reserved
2026-05-28T17:25:10.574Z
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: 6a18c685e29bf47b503b65bf

Added to database: 5/28/2026, 10:49:41 PM

Last enriched: 5/28/2026, 11:03:45 PM

Last updated: 5/29/2026, 3:27:26 PM

Views: 13

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