Description
Use after free in Modularization 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: Medium)
Published: 2026-10-06
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: Remote Code Execution
Action: Immediate Patch
AI Analysis

Impact

An use-after-free vulnerability exists in the modularization subsystem of Google Chrome prior to version 155.0.8059.39. The flaw allows a remote attacker to craft a malicious HTML page that is parsed by Chrome and causes freed memory to be reused, enabling arbitrary code execution inside the browser sandbox. This is a use-after-free weakness identified as CWE-416 and can compromise the confidentiality and integrity of the user session.

Affected Systems

Google Chrome browsers that have not been updated to version 155.0.8059.39 or newer are vulnerable. All desktop releases of Chrome on any operating system that include the affected modularization code are affected until the security patch is applied.

Risk and Exploitability

The CVSS base score is 8.8, indicating high severity. The EPSS score is not available, so the current exploitation probability is unknown, but the vulnerability is exploitable via a remote crafted HTML page that a user might view in the browser. The vulnerability is not listed in the CISA KEV catalog, and no official workaround is documented; therefore, the risk remains high for all users of the affected Chrome versions until they update.

Generated by OpenCVE AI on October 7, 2026 at 02:15 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Upgrade Google Chrome to version 155.0.8059.39 or later to receive the security fix for the use-after-free bug.
  • Keep the browser sandbox enabled and avoid disabling Chrome’s built-in security features that isolate web content.
  • Use Chrome’s Safe Browsing and Content Security Policy settings to help detect and block malicious web pages, and exercise caution when visiting unknown sites.

Generated by OpenCVE AI on October 7, 2026 at 02:15 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 Modularization Allows Remote Code Execution via Crafted HTML in Google Chrome chromium-browser: Use after free in Modularization
References
Metrics threat_severity

None

 threat_severity

Moderate

Wed, 07 Oct 2026 14:00:00 +0000

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

Wed, 07 Oct 2026 02:45:00 +0000

Type Values Removed Values Added
Title Use-After-Free in Modularization Allows Remote Code Execution via Crafted HTML in Google Chrome

Wed, 07 Oct 2026 02:00:00 +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 Modularization 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: Medium)
Weaknesses CWE-416
References

Subscriptions

Google Chrome
cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-10-07T03:55:27.160Z

Reserved: 2026-10-06T16:35:01.352Z

Link: CVE-2026-106315

cve-icon Vulnrichment

Updated: 2026-10-06T19:05:53.341Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-06T19:17:59.783

Modified: 2026-10-07T13:42:15.057

Link: CVE-2026-106315

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-06T18:41:16Z

Links: CVE-2026-106315 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-07T02:30:10Z

Weaknesses