Windows apps · Application version · February 4, 2026

Microsoft Edge WebView2 Runtime 144.0.3719.104

Microsoft Edge WebView2 Runtime 144.0.3719.104, released February 4, 2026, fixes 1 CVE in Microsoft Edge WebView2 Runtime. None of them is reported as exploited. Patch Radar priority: Routine. The latest Microsoft Edge WebView2 Runtime is 157.0.4341.42, which also fixes every one of these CVEs.

Routine

Superseded.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
1
None rated Critical
Exploited
0
None reported
Highest CVSS
6.5
Base score, 0 to 10
Highest EPSS
0.0026
17th percentile

Applies to

ProductVersion
Microsoft Edge WebView2 Runtime144.0.3719.104

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Routine CVE-2026-1504 Chromium: CVE-2026-1504 Inappropriate implementation in Background Fetch API6.5 0.0026 None reported
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