Description
Missing authorization in Video in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
Published: 2026-10-27
Score: 5.4 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Fri, 30 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'}

ssvc

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

cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}


Fri, 30 Oct 2026 14:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
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'}

cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'}


Fri, 30 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Title Chrome Video Component Authorization Bypass Enabling Web Origin Policy Violation chromium-browser: Missing authorization in Video
References
Metrics threat_severity

None

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'}

threat_severity

Important


Wed, 28 Oct 2026 02:00:00 +0000

Type Values Removed Values Added
Title Chrome Video Component Authorization Bypass Enabling Web Origin Policy Violation

Wed, 28 Oct 2026 01:15:00 +0000

Type Values Removed Values Added
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 Missing authorization in Video in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-862
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-10-30T13:37:34.012Z

Reserved: 2026-10-27T21:27:21.630Z

Link: CVE-2026-118333

cve-icon Vulnrichment

Updated: 2026-10-30T13:37:30.767Z

cve-icon NVD

Status : Modified

Published: 2026-10-27T23:17:01.580

Modified: 2026-10-30T14:16:41.177

Link: CVE-2026-118333

cve-icon Redhat

Severity : Important

Publid Date: 2026-10-27T23:03:14Z

Links: CVE-2026-118333 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-30T02:30:05Z

Weaknesses