Uninitialized resource in Dawn in Google Chrome on on Mac prior to 155.0.8059.39 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Apple
  • Macos
Google
  • Chrome

Configuration 1 [-]

AND
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*

No data.

References
Link Providers
https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html cve-icon cve-icon cve-icon
https://issues.chromium.org/issues/553115993 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-106231 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-106231 cve-icon
History

Fri, 09 Oct 2026 00:15:00 +0000

Type Values Removed Values Added
Title chromium-browser: Uninitialized resource in Dawn
References
Metrics threat_severity

None

 threat_severity

Important

Wed, 07 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Title Uninitialized Dawn Resource Enables Remote Memory Disclosure on macOS Chrome

Wed, 07 Oct 2026 18:15:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos

Wed, 07 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Wed, 07 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N'}

Wed, 07 Oct 2026 03:30:00 +0000

Type Values Removed Values Added
Title Uninitialized Dawn Resource Enables Remote Memory Disclosure on macOS 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 19:00:00 +0000

Type Values Removed Values Added
Description Uninitialized resource in Dawn in Google Chrome on on Mac prior to 155.0.8059.39 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-908
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2026-10-06T18:41:09.797Z

Updated: 2026-10-07T15:32:02.581Z

Reserved: 2026-10-06T16:32:22.835Z

Link: CVE-2026-106231

cve-icon Vulnrichment

Updated: 2026-10-07T15:23:31.351Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-06T19:17:49.913

Modified: 2026-10-07T18:04:34.810

Link: CVE-2026-106231

cve-icon Redhat

Severity : Important

Publid Date: 2026-10-06T18:41:09Z

Links: CVE-2026-106231 - Bugzilla