Google Chrome: Out of bounds write
CVE-2026-121037 is fixed in 4 products on 1 platform, first by Google Chrome Dev (EXE) 158.0.8106.0, released October 15, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
Out of bounds write in ANGLE in Google Chrome on on Windows prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Google Chrome | 157.0.8103.39 | Google Chrome 157.0.8103.39 | Nov 3, 2026 |
| Google Chrome (EXE) | 157.0.8103.39 | Google Chrome (EXE) 157.0.8103.39 | Nov 3, 2026 |
| Google Chrome Beta (EXE) | 158.0.8127.2 | Google Chrome Beta (EXE) 158.0.8127.2 | Oct 27, 2026 |
| Google Chrome Dev (EXE) | 158.0.8106.0 | Google Chrome Dev (EXE) 158.0.8106.0 | Oct 15, 2026 |
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