Microsoft Edge 153.0.4234.46
Microsoft Edge 153.0.4234.46, released September 16, 2026, fixes 40 CVEs in Microsoft Edge. None of them is reported as exploited. Patch Radar priority: Urgent. The latest Microsoft Edge is 157.0.4341.42, which also fixes every one of these CVEs.
Superseded. The latest Microsoft Edge is 157.0.4341.42, which also fixes every CVE on this page. Install that instead.
Priority of the 40 CVEs
Applies to
| Product | Version |
|---|---|
| Microsoft Edge | 153.0.4234.46 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-91721 | Chromium CVE-2026-91721: Use after free | 8.8 | 0.0039 | None reported |
| Urgent | CVE-2026-91749 | Chromium CVE-2026-91749: Use after free | 9.6 | 0.0038 | None reported |
| High | CVE-2026-88094 | Azure Storage Library Elevation of Privilege Vulnerability | 8.1 | 0.0082 | Exploitation Less Likely |
| High | CVE-2026-91731 | Chromium CVE-2026-91731: Type confusion | 8.8 | 0.0044 | None reported |
| High | CVE-2026-91741 | Chromium CVE-2026-91741: Type confusion | 8.8 | 0.0044 | None reported |
| High | CVE-2026-91728 | Chromium CVE-2026-91728: Integer overflow | 9.6 | 0.0041 | None reported |
| High | CVE-2026-91709 | Chromium CVE-2026-91709: Type confusion | 8.8 | 0.0041 | None reported |
| High | CVE-2026-91745 | Chromium CVE-2026-91745: Use after free | 8.8 | 0.0036 | None reported |
| High | CVE-2026-91729 | Chromium CVE-2026-91729: Use after free | 9.6 | 0.0034 | None reported |
| High | CVE-2026-91736 | Chromium CVE-2026-91736: Use after free | 8.8 | 0.0034 | None reported |
| High | CVE-2026-91737 | Chromium CVE-2026-91737: Use after free | 8.8 | 0.0034 | None reported |
| High | CVE-2026-91724 | Chromium CVE-2026-91724: Use after free | 8.3 | 0.0034 | None reported |
| High | CVE-2026-91718 | Chromium CVE-2026-91718: Use after free | 9.6 | 0.0033 | None reported |
| High | CVE-2026-91738 | Chromium CVE-2026-91738: Improper input validation | 9.6 | 0.0033 | None reported |
| High | CVE-2026-91715 | Chromium CVE-2026-91715: Type confusion | 8.8 | 0.0033 | None reported |
| High | CVE-2026-91733 | Chromium CVE-2026-91733: Improper state validation | 9.6 | 0.0032 | None reported |
| High | CVE-2026-91710 | Chromium CVE-2026-91710: Use after free | 9.6 | 0.0031 | None reported |
| High | CVE-2026-91716 | Chromium CVE-2026-91716: Use after free | 9.6 | 0.0031 | None reported |
| High | CVE-2026-91711 | Chromium CVE-2026-91711: Out of bounds write | 8.8 | 0.0031 | None reported |
| High | CVE-2026-91722 | Chromium CVE-2026-91722: Use after free | 8.8 | 0.0031 | None reported |
| High | CVE-2026-91735 | Chromium CVE-2026-91735: Incorrect authorization | 8.3 | 0.0031 | None reported |
| High | CVE-2026-91712 | Chromium CVE-2026-91712: Race condition | 8.3 | 0.0027 | None reported |
| High | CVE-2026-91720 | Chromium CVE-2026-91720: Uninitialized resource | 9.6 | 0.0027 | None reported |
| High | CVE-2026-91732 | Chromium CVE-2026-91732: Missing authorization | 8.1 | 0.0026 | None reported |
| High | CVE-2026-88097 | Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability | 8.1 | 0.0026 | Exploitation Less Likely |
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