CVE-2026-9994: Use after free in Google Chrome
CVE-2026-9994 is a use-after-free vulnerability in the Core component of Google Chrome on Windows versions prior to 148.0.7778.216. This flaw allows a remote attacker who has compromised the renderer process to potentially escape the browser's sandbox by using a specially crafted HTML page. The vulnerability is rated high severity with a CVSS score of 8.3. No known exploits in the wild have been reported. The vendor advisory linked indicates a stable channel update addressing this issue is available.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Core of Google Chrome on Windows platforms before version 148.0.7778.216. An attacker with control over the renderer process can exploit this flaw to perform a sandbox escape, which could lead to full compromise of the host system. The vulnerability requires user interaction (UI:R) and has a high attack complexity (AC:H). It impacts confidentiality, integrity, and availability with high severity. Google has published a stable channel update that includes a fix for this issue.
Potential Impact
Successful exploitation could allow an attacker to break out of the Chrome sandbox, potentially leading to arbitrary code execution on the host system with elevated privileges. This compromises the confidentiality, integrity, and availability of the affected system. However, no active exploitation has been observed in the wild at this time.
Mitigation Recommendations
A fixed version of Google Chrome (148.0.7778.216 or later) is available as per the vendor's stable channel update. Users and administrators should update to this version promptly to remediate the vulnerability. No additional mitigations are indicated by the vendor advisory.
CVE-2026-9994: Use after free in Google Chrome
Description
CVE-2026-9994 is a use-after-free vulnerability in the Core component of Google Chrome on Windows versions prior to 148.0.7778.216. This flaw allows a remote attacker who has compromised the renderer process to potentially escape the browser's sandbox by using a specially crafted HTML page. The vulnerability is rated high severity with a CVSS score of 8.3. No known exploits in the wild have been reported. The vendor advisory linked indicates a stable channel update addressing this issue is available.
CVSS v3.1
Score 8.3high
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Core of Google Chrome on Windows platforms before version 148.0.7778.216. An attacker with control over the renderer process can exploit this flaw to perform a sandbox escape, which could lead to full compromise of the host system. The vulnerability requires user interaction (UI:R) and has a high attack complexity (AC:H). It impacts confidentiality, integrity, and availability with high severity. Google has published a stable channel update that includes a fix for this issue.
Potential Impact
Successful exploitation could allow an attacker to break out of the Chrome sandbox, potentially leading to arbitrary code execution on the host system with elevated privileges. This compromises the confidentiality, integrity, and availability of the affected system. However, no active exploitation has been observed in the wild at this time.
Mitigation Recommendations
A fixed version of Google Chrome (148.0.7778.216 or later) is available as per the vendor's stable channel update. Users and administrators should update to this version promptly to remediate the vulnerability. No additional mitigations are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-05-28T17:25:09.927Z
- 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: 6a18c681e29bf47b503b6548
Added to database: 05/28/2026, 22:49:37 UTC
Last enriched: 06/05/2026, 21:17:39 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 53
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