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CVE-2026-5861: Use after free in Google Chrome

0
Unknown
VulnerabilityCVE-2026-5861cvecve-2026-5861
Published: Wed Apr 08 2026 (04/08/2026, 21:20:40 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: 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

AILast updated: 04/08/2026, 22:22:18 UTC

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.

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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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