Microsoft Edge WebView2 Runtime 152.0.4191.53
Microsoft Edge WebView2 Runtime 152.0.4191.53, released August 28, 2026, fixes 280 CVEs in Microsoft Edge WebView2 Runtime. None of them is reported as exploited. Patch Radar priority: Urgent. The latest Microsoft Edge WebView2 Runtime is 157.0.4341.42, which also fixes every one of these CVEs.
Superseded. The latest Microsoft Edge WebView2 Runtime is 157.0.4341.42, which also fixes every CVE on this page. Install that instead.
Priority of the 280 CVEs
Applies to
| Product | Version |
|---|---|
| Microsoft Edge WebView2 Runtime | 152.0.4191.53 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-72984 | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.8 | 0.0082 | More likely |
| Urgent | CVE-2026-78904 | Chromium: CVE-2026-78904 Type confusion in ANGLE | 9.6 | 0.0062 | None reported |
| Urgent | CVE-2026-78989 | Chromium: CVE-2026-78989 Out of bounds read in ANGLE | 9.6 | 0.0056 | None reported |
| Urgent | CVE-2026-78948 | Chromium: CVE-2026-78948 Buffer overflow in WebGL | 9.6 | 0.0051 | None reported |
| Urgent | CVE-2026-78985 | Chromium: CVE-2026-78985 Incorrect reference resolution in FileSystem | 9.6 | 0.0050 | None reported |
| Urgent | CVE-2026-79131 | Chromium: CVE-2026-79131 Out of bounds write in ANGLE | 9.6 | 0.0048 | None reported |
| Urgent | CVE-2026-79149 | Chromium: CVE-2026-79149 Use after free in ANGLE | 9.6 | 0.0048 | None reported |
| Urgent | CVE-2026-79188 | Chromium: CVE-2026-79188 Out of bounds write in ANGLE | 9.6 | 0.0048 | None reported |
| Urgent | CVE-2026-79275 | Chromium: CVE-2026-79275 Use after free in ANGLE | 9.6 | 0.0048 | None reported |
| Urgent | CVE-2026-79019 | Chromium: CVE-2026-79019 Out of bounds write in ANGLE | 9.6 | 0.0048 | None reported |
| Urgent | CVE-2026-78900 | Chromium: CVE-2026-78900 Improper input validation in Media | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-78909 | Chromium: CVE-2026-78909 Use after free in Views | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-78939 | Chromium: CVE-2026-78939 Use after free in Chromecast | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-78945 | Chromium: CVE-2026-78945 Use after free in Views | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-78951 | Chromium: CVE-2026-78951 Use after free in ServiceWorker | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-79052 | Chromium: CVE-2026-79052 Use after free in Aura | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-79056 | Chromium: CVE-2026-79056 Use after free in ServiceWorker | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-79078 | Chromium: CVE-2026-79078 Use after free in FedCM | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-79111 | Chromium: CVE-2026-79111 Improper input validation in Dawn | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-79200 | Chromium: CVE-2026-79200 Use after free in Aura | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-79232 | Chromium: CVE-2026-79232 Use after free in Aura | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-79235 | Chromium: CVE-2026-79235 Use after free in WebGL | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-79290 | Chromium: CVE-2026-79290 Use after free in Aura | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-79043 | Chromium: CVE-2026-79043 Out of bounds write in ANGLE | 9.6 | 0.0046 | None reported |
| Urgent | CVE-2026-79047 | Chromium: CVE-2026-79047 Use after free in Views | 9.6 | 0.0044 | None reported |
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