Microsoft Edge 151.0.4129.86
Microsoft Edge 151.0.4129.86, released August 14, 2026, fixes 5 CVEs in Microsoft Edge. None of them is reported as exploited. Patch Radar priority: High. The latest Microsoft Edge is 156.0.4314.58, which also fixes every one of these CVEs.
Superseded. The latest Microsoft Edge is 156.0.4314.58, which also fixes every CVE on this page. Install that instead.
Priority of the 5 CVEs
Applies to
| Product | Version |
|---|---|
| Microsoft Edge | 151.0.4129.86 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-72970 | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.3 | 0.0073 | Exploitation Less Likely |
| High | CVE-2026-19556 | Chromium: CVE-2026-19556 Use after free in V8 | 8.8 | 0.0041 | None reported |
| High | CVE-2026-19559 | Chromium: CVE-2026-19559 Use after free in HTML | 8.8 | 0.0041 | None reported |
| High | CVE-2026-19560 | Chromium: CVE-2026-19560 Use after free in Blink | 8.8 | 0.0041 | None reported |
| High | CVE-2026-19558 | Chromium: CVE-2026-19558 Use after free in Extensions | 7.5 | 0.0027 | None reported |
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