CVE-2026-9973: Out of bounds write in Google Chrome
CVE-2026-9973 is a high-severity vulnerability in Google Chrome's V8 engine prior to version 148.0.7778.216. It involves an out-of-bounds write that could allow a remote attacker to execute arbitrary code within the browser's sandbox by delivering a crafted HTML page. The vulnerability has a CVSS score of 8.8, indicating a significant risk to confidentiality, integrity, and availability. There are no known exploits in the wild at this time. Google has published a stable channel update addressing this issue in Chrome version 148.0.
AI Analysis
Technical Summary
This vulnerability is an out-of-bounds write in the V8 JavaScript engine used by Google Chrome. It affects versions prior to 148.0.7778.216 and can be triggered remotely via a specially crafted HTML page, potentially allowing arbitrary code execution inside the sandbox environment. The CVSS 3.1 base score is 8.8, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, and high impact on confidentiality, integrity, and availability. The vendor advisory confirms the issue is fixed in Chrome 148.0.7778.216.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code within the sandbox of the affected Chrome browser, potentially leading to full compromise of the browser process. This impacts confidentiality, integrity, and availability of the affected system's browser environment. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Google has released an official fix in Chrome version 148.0.7778.216. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-9973: Out of bounds write in Google Chrome
Description
CVE-2026-9973 is a high-severity vulnerability in Google Chrome's V8 engine prior to version 148.0.7778.216. It involves an out-of-bounds write that could allow a remote attacker to execute arbitrary code within the browser's sandbox by delivering a crafted HTML page. The vulnerability has a CVSS score of 8.8, indicating a significant risk to confidentiality, integrity, and availability. There are no known exploits in the wild at this time. Google has published a stable channel update addressing this issue in Chrome version 148.0.
CVSS v3.1
Score 8.8high
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is an out-of-bounds write in the V8 JavaScript engine used by Google Chrome. It affects versions prior to 148.0.7778.216 and can be triggered remotely via a specially crafted HTML page, potentially allowing arbitrary code execution inside the sandbox environment. The CVSS 3.1 base score is 8.8, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, and high impact on confidentiality, integrity, and availability. The vendor advisory confirms the issue is fixed in Chrome 148.0.7778.216.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code within the sandbox of the affected Chrome browser, potentially leading to full compromise of the browser process. This impacts confidentiality, integrity, and availability of the affected system's browser environment. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Google has released an official fix in Chrome version 148.0.7778.216. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-05-28T17:25:05.340Z
- 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: 6a18c67be29bf47b503b643b
Added to database: 05/28/2026, 22:49:31 UTC
Last enriched: 06/05/2026, 21:16:28 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 59
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