CVE-2026-9900: Out of bounds write in Google Chrome
CVE-2026-9900 is a high-severity out-of-bounds write vulnerability in the ANGLE component of Google Chrome prior to version 148.0.7778.216. This flaw could allow a remote attacker who has already compromised the renderer process to potentially escape the sandbox by using a specially crafted HTML page. The vulnerability affects desktop versions of Chrome before the specified fixed version. No known exploits in the wild have been reported at this time.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds write in the ANGLE graphics abstraction layer within Google Chrome versions prior to 148.0.7778.216. An attacker who has compromised the renderer process could leverage this flaw to perform a sandbox escape, potentially leading to elevated privileges or further system compromise. The issue is addressed in Chrome version 148.0.7778.216, as indicated by the version number in the affectedVersions field and the vendor's stable channel update blog post.
Potential Impact
Successful exploitation could allow an attacker with control over the renderer process to escape the Chrome sandbox, which is designed to isolate web content and limit the impact of compromises. This could lead to full system compromise or unauthorized access to system resources. The CVSS score of 8.3 reflects high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fixed version of Google Chrome is available at 148.0.7778.216 that addresses this vulnerability. Users and administrators should update to this version or later to mitigate the risk. The vendor advisory linked confirms the availability of this update. No additional mitigations are specified or required beyond applying the official update.
CVE-2026-9900: Out of bounds write in Google Chrome
Description
CVE-2026-9900 is a high-severity out-of-bounds write vulnerability in the ANGLE component of Google Chrome prior to version 148.0.7778.216. This flaw could allow a remote attacker who has already compromised the renderer process to potentially escape the sandbox by using a specially crafted HTML page. The vulnerability affects desktop versions of Chrome before the specified fixed version. No known exploits in the wild have been reported at this time.
CVSS v3.1
Score 8.3high
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds write in the ANGLE graphics abstraction layer within Google Chrome versions prior to 148.0.7778.216. An attacker who has compromised the renderer process could leverage this flaw to perform a sandbox escape, potentially leading to elevated privileges or further system compromise. The issue is addressed in Chrome version 148.0.7778.216, as indicated by the version number in the affectedVersions field and the vendor's stable channel update blog post.
Potential Impact
Successful exploitation could allow an attacker with control over the renderer process to escape the Chrome sandbox, which is designed to isolate web content and limit the impact of compromises. This could lead to full system compromise or unauthorized access to system resources. The CVSS score of 8.3 reflects high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fixed version of Google Chrome is available at 148.0.7778.216 that addresses this vulnerability. Users and administrators should update to this version or later to mitigate the risk. The vendor advisory linked confirms the availability of this update. No additional mitigations are specified or required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-05-28T17:24:47.080Z
- 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: 6a18c660e29bf47b503b5141
Added to database: 05/28/2026, 22:49:04 UTC
Last enriched: 06/05/2026, 21:11:40 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 40
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