Improper input validation in Compositing in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00207.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Google Chrome affected
Version Status Constraints
156.0.8078.73 affected < 156.0.8078.73

No data.

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0562499947.html cve-icon cve-icon
https://issues.chromium.org/issues/574030524 cve-icon cve-icon
History

Wed, 28 Oct 2026 18:30:00 +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'}

Wed, 28 Oct 2026 01:00:00 +0000

Type Values Removed Values Added
Title Remote Code Execution in Chrome via Improper Compositor Input Validation
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Tue, 27 Oct 2026 23:15:00 +0000

Type Values Removed Values Added
Description Improper input validation in Compositing in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-20
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-10-28T17:37:52.345Z

Reserved: 2026-10-27T21:27:17.959Z

Link: CVE-2026-118332

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-10-27T23:17:01.477

Modified: 2026-10-28T18:17:18.980

Link: CVE-2026-118332

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-28T00:45:11Z

Weaknesses