CVE-2026-6299: Use after free in Google Chrome
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)
AI Analysis
Technical Summary
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.
CVE-2026-6299: Use after free in Google 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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
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.
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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