Summary
generated automatically from NVD dataCVE-2026-118337 is an improper access control flaw (CWE-284) in the Forms component of Google Chrome. A remote attacker could use a crafted HTML page to bypass the web origin policy, which could expose or alter data across origins. The NVD description states the issue affects versions prior to 156.0.8078.73 and notes a Chromium severity of High, while the CVSS v3.1 score is 9.3 (CRITICAL).
NVD description
Improper access control in Forms 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/569286605Permissions Required
Similar CVEs
Other vulnerabilities of type CWE-284
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