Use after free in Core in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

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.

No EPSS score available.

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
157.0.8103.38 affected < 157.0.8103.38

No data.

No data.

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Project Subscriptions

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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/2026/11/stable-channel-update-for-desktop.html cve-icon cve-icon
https://issues.chromium.org/issues/571284308 cve-icon cve-icon
History

Wed, 04 Nov 2026 00:30:00 +0000

Type Values Removed Values Added
Title Chromium Core Use‑After‑Free Exploit Enables Remote Code Execution

Tue, 03 Nov 2026 22:30:00 +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, 03 Nov 2026 20:45:00 +0000

Type Values Removed Values Added
Description Use after free in Core in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
Weaknesses CWE-416
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-11-03T21:32:11.998Z

Reserved: 2026-11-03T09:41:10.031Z

Link: CVE-2026-121126

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-03T21:17:20.860

Modified: 2026-11-03T22:19:38.970

Link: CVE-2026-121126

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-04T00:00:08Z

Weaknesses