CVE-2026-5289: Use after free in Google Chrome
CVE-2026-5289 is a use-after-free vulnerability in the Navigation component of Google Chrome versions prior to 146. 0. 7680. 178. This flaw allows a remote attacker who has already compromised the renderer process to potentially escape the browser's sandbox by using a specially crafted HTML page. The vulnerability is rated critical with a CVSS score of 9. 6, indicating high impact on confidentiality, integrity, and availability. No known exploits in the wild have been reported at this time. The vulnerability affects the Chrome browser and is addressed starting with version 146. 0.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Navigation logic of Google Chrome before version 146.0.7680.178. An attacker with control over the renderer process can exploit this flaw to perform a sandbox escape, which could lead to arbitrary code execution outside the browser sandbox. The issue is critical due to its potential to compromise system security. The vulnerability was publicly disclosed on April 1, 2026, and is tracked as CVE-2026-5289 with a CVSS v3.1 score of 9.6.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker who has compromised the renderer process to escape the sandbox protections of Chrome. This could lead to full system compromise, including unauthorized access to sensitive information, code execution with elevated privileges, and disruption of system availability. The high CVSS score reflects the critical nature of this impact.
Mitigation Recommendations
A fix for this vulnerability is available in Google Chrome version 146.0.7680.178 and later. Users and administrators should update affected Chrome installations to this version or newer to mitigate the risk. Since this is not a cloud service, remediation depends on applying the browser update. No additional vendor advisory content is provided, so patch status beyond this update is not confirmed. Check official Google Chrome security advisories for the latest remediation guidance.
CVE-2026-5289: Use after free in Google Chrome
Description
CVE-2026-5289 is a use-after-free vulnerability in the Navigation component of Google Chrome versions prior to 146. 0. 7680. 178. This flaw allows a remote attacker who has already compromised the renderer process to potentially escape the browser's sandbox by using a specially crafted HTML page. The vulnerability is rated critical with a CVSS score of 9. 6, indicating high impact on confidentiality, integrity, and availability. No known exploits in the wild have been reported at this time. The vulnerability affects the Chrome browser and is addressed starting with version 146. 0.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Navigation logic of Google Chrome before version 146.0.7680.178. An attacker with control over the renderer process can exploit this flaw to perform a sandbox escape, which could lead to arbitrary code execution outside the browser sandbox. The issue is critical due to its potential to compromise system security. The vulnerability was publicly disclosed on April 1, 2026, and is tracked as CVE-2026-5289 with a CVSS v3.1 score of 9.6.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker who has compromised the renderer process to escape the sandbox protections of Chrome. This could lead to full system compromise, including unauthorized access to sensitive information, code execution with elevated privileges, and disruption of system availability. The high CVSS score reflects the critical nature of this impact.
Mitigation Recommendations
A fix for this vulnerability is available in Google Chrome version 146.0.7680.178 and later. Users and administrators should update affected Chrome installations to this version or newer to mitigate the risk. Since this is not a cloud service, remediation depends on applying the browser update. No additional vendor advisory content is provided, so patch status beyond this update is not confirmed. Check official Google Chrome security advisories for the latest remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-03-31T20:07:15.571Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 69cca4c2e6bfc5ba1d9930fa
Added to database: 4/1/2026, 4:53:22 AM
Last enriched: 4/8/2026, 6:38:18 AM
Last updated: 5/15/2026, 5:28:04 PM
Views: 264
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