CVE-2026-121223
NoneCVSS
—
EPSS
0.2%
Published
Nov 3, 2026
CISA due date
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The record
Observable discrepancy in Media in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
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- CVE-2026-121130 Observable discrepancy in Forms in Google Chrome prior to 157.0.8103.38 allowed a remote… CWE-203
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