Description
Use after free in HTML in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Published: 2026-10-06
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: Remote Code Execution via Use-After-Free
Action: Patch Immediately
AI Analysis

Impact

This vulnerability is a use-after-free flaw in the HTML rendering engine of Google Chrome prior to version 155.0.8059.39. A crafted HTML page can trigger a use-after-free condition, allowing a remote attacker to execute arbitrary code inside the browser sandbox. The affected weakness is identified as CWE-416, which indicates a memory management issue leading to potential code execution.

Affected Systems

All users running Google Chrome versions earlier than 155.0.8059.39 are affected. The vulnerability applies broadly to the desktop Chrome product across supported operating systems.

Risk and Exploitability

The CVSS score of 8.8 classifies this flaw as High severity. While an EPSS score is not available, the fact that the vulnerability is exploitable via a simple crafted HTML page indicates a realistic threat. The flaw is not currently listed in CISA’s KEV catalog, but the remote nature and sandbox escape give attackers a valuable foothold to attempt privilege escalation or bypass security restrictions.

Generated by OpenCVE AI on October 7, 2026 at 02:32 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Update Chrome to the latest stable release or at least to version 155.0.8059.39 where the fix is applied
  • Configure Chrome policies to block direct loading of unknown or local HTML content from untrusted sources
  • Enable or enforce strict content security policies that restrict execution of scripts within loaded pages

Generated by OpenCVE AI on October 7, 2026 at 02:32 UTC.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-4833-1 chromium security update
Debian DSA Debian DSA DSA-6553-1 chromium security update
History

Sat, 10 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Title Use-After-Free in Chrome HTML Rendering Allows Remote Code Execution chromium-browser: Use after free in HTML
References
Metrics threat_severity

None

 threat_severity

Important

Wed, 07 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Wed, 07 Oct 2026 03:00:00 +0000

Type Values Removed Values Added
Title Use-After-Free in Chrome HTML Rendering Allows Remote Code Execution

Wed, 07 Oct 2026 01:45:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Tue, 06 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 06 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
Description Use after free in HTML in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-416
References

Subscriptions

Google Chrome
cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-10-07T03:55:37.052Z

Reserved: 2026-10-06T16:33:44.851Z

Link: CVE-2026-106257

cve-icon Vulnrichment

Updated: 2026-10-06T19:41:22.156Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-06T19:17:52.873

Modified: 2026-10-07T13:11:06.250

Link: CVE-2026-106257

cve-icon Redhat

Severity : Important

Publid Date: 2026-10-06T18:41:12Z

Links: CVE-2026-106257 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-07T02:45:10Z

Weaknesses