Summary
generated automatically from NVD dataCVE-2026-118333 is a missing authorization flaw (CWE-862) in the Video component of Google Chrome, affecting versions prior to 156.0.8078.73. A remote attacker could use a crafted HTML page to bypass the web origin policy, which could expose or alter data across origins. The CVSS v3.1 score is 9.3 (CRITICAL), with high confidentiality and integrity impact, and Chromium rates its security severity as High.
NVD 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)
EPSS · FIRST.org
0.20%probability of exploitation in the next 30 days
Higher than 10% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-11-02, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
This CVE is covered in an article: context, affected versions and published fixes.
CVSS v3.1 Score
Information
- Published
- 27 oct. 2026
- Updated
- 30 oct. 2026
- Status
- Modified
- Source
- chrome-cve-admin@google.com
Affected products
Bounds published by NVD: "< 8.4.27" means 8.4.27 is no longer vulnerable. The fixed release to install is in the vendor advisory.
Weaknesses (CWE)
References (2)
- https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0562499947.htmlRelease NotesVendor Advisory
- https://issues.chromium.org/issues/571147583Permissions Required
Similar CVEs
Other vulnerabilities of type CWE-862
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