Windows apps · Application version · June 9, 2026

Microsoft Edge WebView2 Runtime 149.0.4022.62

Microsoft Edge WebView2 Runtime 149.0.4022.62, released June 9, 2026, fixes 56 CVEs in Microsoft Edge WebView2 Runtime. One of them is being exploited (CVE-2026-11645); 1 on CISA KEV. Patch Radar priority: Patch now. The latest Microsoft Edge WebView2 Runtime is 157.0.4341.42, which also fixes every one of these CVEs.

Patch now1 on CISA KEV

Superseded. The latest Microsoft Edge WebView2 Runtime is 157.0.4341.42, which also fixes every CVE on this page. Install that instead.

CVEs closed
56
9 rated Critical
Exploited
1
CVE-2026-11645
Highest CVSS
9.6
Base score, 0 to 10
Highest EPSS
0.0244
84th percentile

Priority of the 56 CVEs

Patch now 1 Urgent 9 High 34 Routine 12

Applies to

ProductVersion
Microsoft Edge WebView2 Runtime149.0.4022.62

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Patch now CVE-2026-11645 Chromium: CVE-2026-11645 Out of bounds memory access in V88.8 0.0244 KEVExploited
Urgent CVE-2026-10883 Chromium: CVE-2026-10883 Out of bounds write in ANGLE9.6 0.0063 None reported
Urgent CVE-2026-11065 Chromium: CVE-2026-11065 Use after free in ANGLE9.6 0.0034 None reported
Urgent CVE-2026-11651 Chromium: CVE-2026-11651 Use after free in Network9.6 0.0034 None reported
Urgent CVE-2026-11634 Chromium: CVE-2026-11634 Use after free in Gamepad9.6 0.0025 None reported
Urgent CVE-2026-11638 Chromium: CVE-2026-11638 Use after free in Printing9.6 0.0025 None reported
Urgent CVE-2026-11671 Chromium: CVE-2026-11671 Use after free in Navigation9.6 0.0024 None reported
Urgent CVE-2026-11663 Chromium: CVE-2026-11663 Use after free in Skia9.6 0.0023 None reported
Urgent CVE-2026-11675 Chromium: CVE-2026-11675 Insufficient validation of untrusted input in Skia9.6 0.0021 None reported
Urgent CVE-2026-11697 Chromium: CVE-2026-11697 Insufficient validation of untrusted input in UI9.6 0.0020 None reported
High CVE-2026-62765 Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability8.1 0.0043 Exploitation Less Likely
High CVE-2026-11662 Chromium: CVE-2026-11662 Type Confusion in Bindings8.8 0.0036 None reported
High CVE-2026-11649 Chromium: CVE-2026-11649 Use after free in V88.8 0.0031 None reported
High CVE-2026-11650 Chromium: CVE-2026-11650 Use after free in V88.8 0.0031 None reported
High CVE-2026-11683 Chromium: CVE-2026-11683 Use after free in WebCodecs8.8 0.0031 None reported
High CVE-2026-11077 Chromium: CVE-2026-11077 Out of bounds read in Dawn8.8 0.0028 None reported
High CVE-2026-11641 Chromium: CVE-2026-11641 Use after free in Bluetooth7.5 0.0028 None reported
High CVE-2026-11643 Chromium: CVE-2026-11643 Use after free in Proxy8.1 0.0027 None reported
High CVE-2026-11629 Chromium: CVE-2026-11629 Use after free in Ozone8.8 0.0027 None reported
High CVE-2026-11632 Chromium: CVE-2026-11632 Use after free in TabStrip7.5 0.0026 None reported
High CVE-2026-11648 Chromium: CVE-2026-11648 Use after free in FullScreen8.8 0.0026 None reported
High CVE-2026-11646 Chromium: CVE-2026-11646 Use after free in ViewTransitions8.8 0.0026 None reported
High CVE-2026-11660 Chromium: CVE-2026-11660 Insufficient validation of untrusted input in New Tab Page8.3 0.0026 None reported
High CVE-2026-11688 Chromium: CVE-2026-11688 Object lifecycle issue in SVG8.8 0.0026 None reported
High CVE-2026-11630 Chromium: CVE-2026-11630 Use after free in File Input8.8 0.0025 None reported
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