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CVE-2026-6303: Use after free in Google Chrome

0
Unknown
VulnerabilityCVE-2026-6303cvecve-2026-6303
Published: Wed Apr 15 2026 (04/15/2026, 19:04:50 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

Use after free in Codecs in Google Chrome prior to 147.0.7727.101 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: 04/15/2026, 20:01:56 UTC

Technical Analysis

This vulnerability involves a use-after-free condition in the codecs module of Google Chrome before version 147.0.7727.101. Exploiting this flaw enables remote code execution inside the browser sandbox through a crafted HTML page. The issue is recognized as high severity by Chromium security, indicating significant risk if exploited. The vulnerability was publicly disclosed on April 15, 2026. No CVSS score is assigned, and no direct patch or remediation information is included in the input data, though a vendor advisory URL is provided for further details.

Potential Impact

Successful exploitation could allow a remote attacker to execute arbitrary code within the sandboxed environment of Google Chrome, potentially compromising the security of the affected system. The sandbox containment limits the scope of impact but does not eliminate the risk of code execution. No known active exploits have been reported.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html for current remediation guidance. Users and administrators should monitor this advisory for updates and apply any official fixes once available. Until a patch is confirmed, exercising caution when browsing untrusted sites is advisable.

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Technical Details

Data Version
5.2
Assigner Short Name
Chrome
Date Reserved
2026-04-14T18:12:21.994Z
Cvss Version
null
State
PUBLISHED
Remediation Level
null
Vendor Advisory Urls
[{"url":"https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html","vendor":"Google"}]

Threat ID: 69dfe7b982d89c981f913cc4

Added to database: 4/15/2026, 7:32:09 PM

Last enriched: 4/15/2026, 8:01:56 PM

Last updated: 4/16/2026, 6:22:24 AM

Views: 6

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