CVE-2026-5861: Use after free in Google Chrome
Use after free in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the V8 engine component of Google Chrome before version 147.0.7727.55. Exploitation requires a remote attacker to supply a crafted HTML page that triggers arbitrary code execution inside the sandboxed environment of the browser. The issue is recognized as high severity by Chromium security. The vendor advisory points to a stable channel update, implying that updating Chrome to version 147.0.7727.55 or later mitigates the vulnerability. No CVSS score or explicit remediation level is provided in the source data.
Potential Impact
Successful exploitation could allow remote attackers to execute arbitrary code within the sandbox of the affected Chrome browser, potentially leading to unauthorized actions or compromise of the browser environment. However, there are no reports of active exploitation in the wild. The impact is limited to affected versions prior to 147.0.7727.55.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 147.0.7727.55 or later, as indicated by the vendor's stable channel update advisory. This update addresses the use-after-free vulnerability in the V8 engine. Patch status is not explicitly confirmed in the advisory text provided, but the presence of the stable channel update strongly suggests an official fix is available. No additional mitigation steps are specified by the vendor.
CVE-2026-5861: Use after free in Google Chrome
Description
Use after free in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the V8 engine component of Google Chrome before version 147.0.7727.55. Exploitation requires a remote attacker to supply a crafted HTML page that triggers arbitrary code execution inside the sandboxed environment of the browser. The issue is recognized as high severity by Chromium security. The vendor advisory points to a stable channel update, implying that updating Chrome to version 147.0.7727.55 or later mitigates the vulnerability. No CVSS score or explicit remediation level is provided in the source data.
Potential Impact
Successful exploitation could allow remote attackers to execute arbitrary code within the sandbox of the affected Chrome browser, potentially leading to unauthorized actions or compromise of the browser environment. However, there are no reports of active exploitation in the wild. The impact is limited to affected versions prior to 147.0.7727.55.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 147.0.7727.55 or later, as indicated by the vendor's stable channel update advisory. This update addresses the use-after-free vulnerability in the V8 engine. Patch status is not explicitly confirmed in the advisory text provided, but the presence of the stable channel update strongly suggests an official fix is available. No additional mitigation steps are specified by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-04-08T19:34:32.340Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 69d6ca371cc7ad14dab3cb5f
Added to database: 4/8/2026, 9:35:51 PM
Last enriched: 4/8/2026, 10:22:18 PM
Last updated: 4/9/2026, 8:07:13 AM
Views: 7
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