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EPSS 0.1%top 83%

CVE-2026-6299: Use after free in Google Chrome

0
High
VulnerabilityCVE-2026-6299cvecve-2026-6299
Published: Wed Apr 15 2026 (04/15/2026, 19:04:47 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

Use after free in Prerender in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)

CVSS v3.1

Score 8.8high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/26/2026, 19:39:07 UTC

Technical Analysis

This vulnerability involves a use-after-free condition (CWE-416) in the Prerender feature of Google Chrome before version 147.0.7727.101. Exploitation requires user interaction (UI:R) and network access (AV:N) with no privileges required (PR:N). Successful exploitation can lead to remote code execution with high impact on confidentiality, integrity, and availability. The CVSS vector indicates the attack surface is network-based with low attack complexity. The vulnerability is publicly disclosed but no official fix or remediation level is explicitly stated in the vendor advisory provided.

Potential Impact

If exploited, this vulnerability allows remote attackers to execute arbitrary code on the affected system, potentially leading to full compromise of the user's environment. The high CVSS score reflects the critical nature of the impact on confidentiality, integrity, and availability. However, no active exploitation has been reported so far.

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 closely and apply updates promptly once a fix is officially released. Until then, exercising caution with untrusted web content is advised.

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Technical Details

Data Version
5.2
Assigner Short Name
Chrome
Date Reserved
2026-04-14T18:12:20.506Z
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: 69dfe7b982d89c981f913cb4

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

Last enriched: 5/26/2026, 7:39:07 PM

Last updated: 5/27/2026, 5:21:27 PM

Views: 89

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