Windows apps · Application version · February 14, 2026

Microsoft Edge WebView2 Runtime 145.0.3800.58

Microsoft Edge WebView2 Runtime 145.0.3800.58, released February 14, 2026, fixes 11 CVEs in Microsoft Edge WebView2 Runtime. One of them is being exploited (CVE-2026-2441); 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Superseded.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

None rated Critical

Exploited

CVE-2026-2441

Highest CVSS

8.8

Base score, 0 to 10

Highest EPSS

0.5446

99th percentile

Priority of the 11 CVEs

Patch now 1
                                Urgent 0
                                High 3
                                Routine 7

Applies to

Product	Version
Microsoft Edge WebView2 Runtime	145.0.3800.58

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Patch now	CVE-2026-2441	Chromium: CVE-2026-2441 Use after free in CSS	8.8	0.5446	KEVExploited
High	CVE-2026-2314	Chromium: CVE-2026-2314 Heap buffer overflow in Codecs	8.8	0.0462	None reported
High	CVE-2026-2313	Chromium: CVE-2026-2313 Use after free in CSS	8.8	0.0451	None reported
High	CVE-2026-2319	Chromium: CVE-2026-2319 Race in DevTools	7.5	0.0022	None reported
Routine	CVE-2026-0102	Microsoft Edge (Chromium-based) Defense in Depth Vulnerability	3.1	0.0054	Exploitation Unlikely
Routine	CVE-2026-2316	Chromium: CVE-2026-2316 Insufficient policy enforcement in Frames	6.5	0.0027	None reported
Routine	CVE-2026-2318	CVE-2026-2318	6.5	0.0027	None reported
Routine	CVE-2026-2320	Chromium: CVE-2026-2320 Inappropriate implementation in File input	6.5	0.0025	None reported
Routine	CVE-2026-2322	Chromium: CVE-2026-2322 Heap buffer overflow in Codecs	5.4	0.0025	None reported
Routine	CVE-2026-2323	Chromium: CVE-2026-2323 Inappropriate implementation in Downloads	4.3	0.0025	None reported
Routine	CVE-2026-2317	Chromium: CVE-2026-2317 Inappropriate implementation in Animation	6.5	0.0024	None reported

Other Microsoft Edge WebView2 Runtime versions with security fixes

Microsoft Edge WebView2 Runtime 156.0.4314.58
Microsoft Edge WebView2 Runtime
Microsoft Edge WebView2 Runtime 156.0.4314.56
Microsoft Edge WebView2 Runtime
Microsoft Edge WebView2 Runtime 156.0.4314.50
Microsoft Edge WebView2 Runtime
Microsoft Edge WebView2 Runtime 156.0.4314.42
Microsoft Edge WebView2 Runtime
Microsoft Edge WebView2 Runtime 155.0.4283.62
Microsoft Edge WebView2 Runtime
Microsoft Edge WebView2 Runtime 155.0.4283.60
Microsoft Edge WebView2 Runtime

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