Integer overflow in Dawn in Google Chrome on Mac prior to 146.0.7680.153 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

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/2026/03/stable-channel-update-for-desktop_18.html cve-icon cve-icon cve-icon
https://issues.chromium.org/issues/488400770 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-4453 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-4453 cve-icon
History

Fri, 20 Mar 2026 19:15:00 +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

Fri, 20 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N'}

 ssvc

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

cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}

Fri, 20 Mar 2026 12:15:00 +0000

Type Values Removed Values Added
Title Chrome Integer Overflow Leads to Cross‑Origin Data Leakage on macOS chromium-browser: Integer overflow in Dawn
Weaknesses CWE-190
References
Metrics threat_severity

None

 cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N'}

threat_severity

Important

Fri, 20 Mar 2026 11:15:00 +0000

Type Values Removed Values Added
Title Chrome Integer Overflow Leads to Cross‑Origin Data Leakage on macOS

Fri, 20 Mar 2026 09:00:00 +0000

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

Fri, 20 Mar 2026 02:15:00 +0000

Type Values Removed Values Added
Description Integer overflow in Dawn in Google Chrome on Mac prior to 146.0.7680.153 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-472
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2026-03-20T01:34:52.142Z

Updated: 2026-03-20T14:54:20.752Z

Reserved: 2026-03-19T20:23:51.629Z

Link: CVE-2026-4453

cve-icon Vulnrichment

Updated: 2026-03-20T14:54:17.661Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-20T02:16:38.357

Modified: 2026-03-20T19:04:24.210

Link: CVE-2026-4453

cve-icon Redhat

Severity : Important

Publid Date: 2026-03-18T00:00:00Z

Links: CVE-2026-4453 - Bugzilla