CVE-2026-9949: Use after free in Google Chrome
CVE-2026-9949 is a use-after-free vulnerability in the core component of Google Chrome on Windows versions prior to 148.0.7778.216. This flaw could allow a remote attacker who has already compromised the renderer process to potentially escape the browser sandbox by using a specially crafted HTML page. The vulnerability has a high severity rating 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 corresponds to a stable channel update that presumably addresses this issue, but explicit patch status is not confirmed in the provided data.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in Google Chrome's core on Windows platforms before version 148.0.7778.216. Exploitation requires prior compromise of the renderer process and involves a crafted HTML page to achieve sandbox escape, which could lead to full compromise of the browser environment. The CVSS vector indicates network attack vector, high attack complexity, no privileges required, user interaction required, scope changed, and high impact on confidentiality, integrity, and availability. The vendor advisory points to a stable channel update released on May 28, 2026, but does not explicitly confirm patch availability or remediation level.
Potential Impact
Successful exploitation could allow an attacker to escape the Chrome sandbox, potentially leading to execution of arbitrary code with elevated privileges outside the browser sandbox. This elevates the risk of system compromise beyond the browser context. The high CVSS score reflects significant impact on confidentiality, integrity, and availability. No known active exploitation has been reported so far.
Mitigation Recommendations
The vendor advisory references a stable channel update for Chrome released on May 28, 2026, which likely includes a fix for this vulnerability. However, the explicit patch or remediation status is not confirmed in the provided data. Users should update to Chrome version 148.0.7778.216 or later to mitigate this issue. Until confirmation is obtained, users should monitor the vendor advisory for official patch and remediation guidance.
CVE-2026-9949: Use after free in Google Chrome
Description
CVE-2026-9949 is a use-after-free vulnerability in the core component of Google Chrome on Windows versions prior to 148.0.7778.216. This flaw could allow a remote attacker who has already compromised the renderer process to potentially escape the browser sandbox by using a specially crafted HTML page. The vulnerability has a high severity rating 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 corresponds to a stable channel update that presumably addresses this issue, but explicit patch status is not confirmed in the provided data.
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 Google Chrome's core on Windows platforms before version 148.0.7778.216. Exploitation requires prior compromise of the renderer process and involves a crafted HTML page to achieve sandbox escape, which could lead to full compromise of the browser environment. The CVSS vector indicates network attack vector, high attack complexity, no privileges required, user interaction required, scope changed, and high impact on confidentiality, integrity, and availability. The vendor advisory points to a stable channel update released on May 28, 2026, but does not explicitly confirm patch availability or remediation level.
Potential Impact
Successful exploitation could allow an attacker to escape the Chrome sandbox, potentially leading to execution of arbitrary code with elevated privileges outside the browser sandbox. This elevates the risk of system compromise beyond the browser context. The high CVSS score reflects significant impact on confidentiality, integrity, and availability. No known active exploitation has been reported so far.
Mitigation Recommendations
The vendor advisory references a stable channel update for Chrome released on May 28, 2026, which likely includes a fix for this vulnerability. However, the explicit patch or remediation status is not confirmed in the provided data. Users should update to Chrome version 148.0.7778.216 or later to mitigate this issue. Until confirmation is obtained, users should monitor the vendor advisory for official patch and remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-05-28T17:24:58.159Z
- 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: 6a18c673e29bf47b503b6254
Added to database: 05/28/2026, 22:49:23 UTC
Last enriched: 06/05/2026, 21:14:48 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 32
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