Microsoft Edge 151.0.4129.78
Microsoft Edge 151.0.4129.78, released August 9, 2026, fixes 28 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Superseded.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 28 CVEs
Applies to
| Product | Version |
|---|---|
| Microsoft Edge | 151.0.4129.78 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-19166 | CVE-2026-19166 Use after free in Web Authentication | 9.6 | 0.0039 | None reported |
| Urgent | CVE-2026-19164 | CVE-2026-19164 Insufficient validation of untrusted input in Codecs | 9.6 | 0.0035 | None reported |
| Urgent | CVE-2026-19175 | CVE-2026-19175 Use after free in Payments | 9.6 | 0.0035 | None reported |
| High | CVE-2026-19176 | CVE-2026-19176 Use after free in Skia | 9.6 | 0.0053 | None reported |
| High | CVE-2026-19145 | CVE-2026-19145 Use after free in Translate | 8.8 | 0.0041 | None reported |
| High | CVE-2026-19150 | CVE-2026-19150 Inappropriate implementation in V8 | 8.8 | 0.0041 | None reported |
| High | CVE-2026-19151 | CVE-2026-19151 Use after free in V8 | 8.8 | 0.0041 | None reported |
| High | CVE-2026-19162 | CVE-2026-19162 Out of bounds write in V8 | 8.8 | 0.0041 | None reported |
| High | CVE-2026-19168 | CVE-2026-19168 Inappropriate implementation in V8 | 8.8 | 0.0041 | None reported |
| High | CVE-2026-19174 | CVE-2026-19174 Integer overflow in V8 | 8.8 | 0.0041 | None reported |
| High | CVE-2026-19160 | CVE-2026-19160 Uninitialized Use in Skia | 9.6 | 0.0040 | None reported |
| High | CVE-2026-19144 | CVE-2026-19144 Use after free in HTML | 8.8 | 0.0035 | None reported |
| High | CVE-2026-19169 | CVE-2026-19169 Insufficient validation of untrusted input in Contextual Tasks | 8.8 | 0.0035 | None reported |
| High | CVE-2026-19173 | CVE-2026-19173 Out of bounds write in Skia | 9.6 | 0.0034 | None reported |
| High | CVE-2026-19161 | CVE-2026-19161 Uninitialized Use in Skia | 9.6 | 0.0034 | None reported |
| High | CVE-2026-19153 | CVE-2026-19153 Insufficient validation of untrusted input in Workers | 8.1 | 0.0033 | None reported |
| High | CVE-2026-19138 | CVE-2026-19138 Heap buffer overflow in CrashReporting | 8.3 | 0.0033 | None reported |
| High | CVE-2026-19177 | CVE-2026-19177 Insufficient validation of untrusted input in UI | 8.3 | 0.0032 | None reported |
| High | CVE-2026-19140 | CVE-2026-19140 Use after free in GPU | 8.3 | 0.0030 | None reported |
| High | CVE-2026-19152 | CVE-2026-19152 Inappropriate implementation in Navigation | 8.3 | 0.0030 | None reported |
| High | CVE-2026-19155 | CVE-2026-19155 Use after free in Payments | 8.3 | 0.0030 | None reported |
| High | CVE-2026-19172 | CVE-2026-19172 Use after free in Views | 8.3 | 0.0030 | None reported |
| High | CVE-2026-19142 | CVE-2026-19142 Use after free in Views | 7.5 | 0.0030 | None reported |
| High | CVE-2026-19159 | CVE-2026-19159 Use after free in Views | 7.5 | 0.0030 | None reported |
| High | CVE-2026-19165 | CVE-2026-19165 Use after free in Extensions | 7.5 | 0.0027 | None reported |
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