Description
Use after free in Compositing in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Published: 2026-10-20
Score: 9.6 Critical
EPSS: < 1% Very Low
KEV: No
Impact: Remote Code Execution
Action: Immediate Patch
AI Analysis

Impact

Use after free in the Compositing component of Google Chrome versions before 156.0.8078.47 allows a remote attacker to execute arbitrary code inside the sandbox through a specially crafted HTML page. The vulnerability, identified as CWE‑416, can compromise the confidentiality, integrity, and availability of the host system.

Affected Systems

The flaw affects Google Chrome on desktop operating systems. All releases prior to 156.0.8078.47 are vulnerable; users should update to this or later release.

Risk and Exploitability

The CVSS score of 9.6 signals critical severity. The EPSS score is less than 1%, and the vulnerability is not listed in CISA KEV, indicating no known active exploitation yet. The attack vector is remote, requiring the victim to view a malicious HTML page that triggers the overflow, and the exploit would allow code execution beyond the sandbox.

Generated by OpenCVE AI on November 4, 2026 at 13:18 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Update Google Chrome to version 156.0.8078.47 or later.
  • Enable automatic updates or enforce a strict update policy to ensure the latest solution is installed.
  • Use additional endpoint protection or network filtering to block or detect malicious web content that could trigger the vulnerability.

Generated by OpenCVE AI on November 4, 2026 at 13:18 UTC.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-4853-1 chromium security update
Debian DSA Debian DSA DSA-6577-1 chromium security update
History

Wed, 04 Nov 2026 13:45:00 +0000

Type Values Removed Values Added
Title Arbitrary Code Execution via Buffer Overflow in Chrome Compositing

Tue, 03 Nov 2026 22:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-119

Tue, 03 Nov 2026 21:30:00 +0000

Type Values Removed Values Added
Description Memory corruption in Compositing in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High) Use after free in Compositing in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-416

Fri, 23 Oct 2026 00:45:00 +0000

Type Values Removed Values Added
Title Arbitrary Code Execution via Buffer Overflow in Chrome Compositing

Wed, 21 Oct 2026 17:15:00 +0000

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

Wed, 21 Oct 2026 09:45:00 +0000

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

Wed, 21 Oct 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Wed, 21 Oct 2026 01:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Description Memory corruption in Compositing in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-119
References

Subscriptions

Google Chrome
cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-11-03T21:20:29.345Z

Reserved: 2026-10-19T23:19:55.253Z

Link: CVE-2026-113336

cve-icon Vulnrichment

Updated: 2026-10-21T00:46:33.108Z

cve-icon NVD

Status : Modified

Published: 2026-10-20T22:19:28.177

Modified: 2026-11-03T22:19:14.713

Link: CVE-2026-113336

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-04T13:30:16Z

Weaknesses