Description
Use after free in XML 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: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: Remote code execution
Action: Patch immediately
AI Analysis

Impact

This vulnerability is a use‑after‑free flaw in Chrome’s XML parsing, present in versions before 156.0.8078.47. It allows a remote attacker to craft a malicious HTML page that, when rendered, bypasses the sandbox and performs arbitrary code execution on the user’s system. Chromium deems this a high‑severity issue.

Affected Systems

Google Chrome versions older than 156.0.8078.47 on all supported operating systems are affected. The issue was present in the stable channel release before the update announced in October 2026.

Risk and Exploitability

The CVSS score of 8.8 indicates a high‑impact vulnerability, but the EPSS score of <1% suggests a low probability of exploitation at this time. The vulnerability is not listed in the CISA KEV catalog, and because it permits remote code execution it should be treated as a medium‑to‑high risk for any machine that can be tricked into loading a malicious page.

Generated by OpenCVE AI on November 4, 2026 at 13:12 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Update Google Chrome to 156.0.8078.47 or later as soon as possible
  • If an update cannot be applied immediately, employ corporate or home network filtering to block navigation to untrusted domains that may host malicious HTML pages
  • Ensure that the operating‑system level sandboxing provided by Chrome remains enabled and that the browser is not run with elevated privileges

Generated by OpenCVE AI on November 4, 2026 at 13:12 UTC.

Tracking

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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 13:30:00 +0000

Type Values Removed Values Added
Title Use After Free in Chrome XML Parsing Allows Remote Code Execution

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 XML in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High) Use after free in XML 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

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

Type Values Removed Values Added
First Time appeared Google
Google chrome
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Vendors & Products Google
Google chrome

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

Type Values Removed Values Added
Description Memory corruption in XML in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside 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: 2026-11-03T21:20:24.447Z

Reserved: 2026-10-19T23:15:49.157Z

Link: CVE-2026-113284

cve-icon Vulnrichment

Updated: 2026-10-20T23:30:13.696Z

cve-icon NVD

Status : Modified

Published: 2026-10-20T22:19:22.360

Modified: 2026-11-03T22:19:05.277

Link: CVE-2026-113284

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-04T13:15:14Z

Weaknesses