Google Chrome: Incorrect authorization
CVE-2026-120930 is fixed in 5 products on 3 platforms, first by Google Chrome Dev (EXE) 157.0.8081.0, released October 1, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Incorrect authorization in Blink in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Google Chrome (EXE) | 156.0.8078.48 | Google Chrome (EXE) 156.0.8078.48 | Oct 20, 2026 |
| Google Chrome Beta (EXE) | 157.0.8103.6 | Google Chrome Beta (EXE) 157.0.8103.6 | Oct 15, 2026 |
| Google Chrome Dev (EXE) | 157.0.8081.0 | Google Chrome Dev (EXE) 157.0.8081.0 | Oct 1, 2026 |
| macOS | |||
| Google Chrome | 156.0.8078.48 | Google Chrome 156.0.8078.48 | Oct 19, 2026 |
| Linux | |||
| chromium · Debian 12.15 (bookworm) | 156.0.8078.47-1~deb12u1 | DEBIAN-CVE-2026-120930 | Nov 6, 2026 |
| chromium · Debian 13.5 (trixie) | 156.0.8078.47-1~deb13u1 | DEBIAN-CVE-2026-120930 | Nov 6, 2026 |
| chromium · Debian 14 | 156.0.8078.47-1 | DEBIAN-CVE-2026-120930 | Nov 6, 2026 |
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