Windows apps · Application version · June 18, 2026

Microsoft Edge 149.0.4022.80

Microsoft Edge 149.0.4022.80, released June 18, 2026, fixes 23 CVEs in Microsoft Edge. None of them is reported as exploited. Patch Radar priority: Urgent. The latest Microsoft Edge is 156.0.4314.58, which also fixes every one of these CVEs.

Urgent

Superseded. The latest Microsoft Edge is 156.0.4314.58, which also fixes every CVE on this page. Install that instead.

CVEs closed
23
1 rated Critical
Exploited
0
None reported
Highest CVSS
9.6
Base score, 0 to 10
Highest EPSS
0.0061
49th percentile

Priority of the 23 CVEs

Patch now 0 Urgent 1 High 13 Routine 9

Applies to

ProductVersion
Microsoft Edge149.0.4022.80

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Urgent CVE-2026-12440 Chromium: CVE-2026-12440 Use after free in DigitalCredentials9.6 0.0025 None reported
High CVE-2026-12443 Chromium: CVE-2026-12443 Use after free in Web Authentication8.8 0.0061 None reported
High CVE-2026-12447 Chromium: CVE-2026-12447 Heap buffer overflow in WebRTC8.8 0.0043 None reported
High CVE-2026-12466 Chromium: CVE-2026-12466 Heap buffer overflow in WebRTC8.8 0.0043 None reported
High CVE-2026-12439 Chromium: CVE-2026-12439 Use after free in Digital Credentials8.8 0.0033 None reported
High CVE-2026-12437 Chromium: CVE-2026-12437 Use after free in WebShare8.3 0.0030 None reported
High CVE-2026-12462 Chromium: CVE-2026-12462 Use after free in Media7.5 0.0027 None reported
High CVE-2026-12465 Chromium: CVE-2026-12465 Insufficient validation of untrusted input in Metrics8.3 0.0024 None reported
High CVE-2026-12455 Chromium: CVE-2026-12455 Use after free in Tab Strip7.5 0.0023 None reported
High CVE-2026-12464 Chromium: CVE-2026-12464 Use after free in Browser8.3 0.0022 None reported
High CVE-2026-12467 Chromium: CVE-2026-12467 Use after free in Extensions8.3 0.0022 None reported
High CVE-2026-12451 Chromium: CVE-2026-12451 Use after free in DigitalCredentials8.3 0.0018 None reported
High CVE-2026-12445 Chromium: CVE-2026-12445 Use after free in Extensions7.5 0.0016 None reported
High CVE-2026-12449 Chromium: CVE-2026-12449 Use after free in Chromoting7.8 0.0011 None reported
Routine CVE-2026-12461 Chromium: CVE-2026-12461 Out of bounds read in WebRTC6.5 0.0024 None reported
Routine CVE-2026-12446 Chromium: CVE-2026-12446 Insufficient data validation in Passwords4.3 0.0019 None reported
Routine CVE-2026-12458 Chromium: CVE-2026-12458 Incorrect security UI in Passwords3.1 0.0019 None reported
Routine CVE-2026-12459 Chromium: CVE-2026-12459 Inappropriate implementation in Serial6.1 0.0018 None reported
Routine CVE-2026-12453 Chromium: CVE-2026-12453 Insufficient validation of untrusted input in Input4.2 0.0018 None reported
Routine CVE-2026-12460 Chromium: CVE-2026-12460 Insufficient policy enforcement in File System Access4.2 0.0015 None reported
Routine CVE-2026-12444 Chromium: CVE-2026-12444 Out of bounds read in Chromoting5.5 0.0014 None reported
Routine CVE-2026-12456 Chromium: CVE-2026-12456 Insufficient validation of untrusted input in Extensions4.2 0.0014 None reported
Routine CVE-2026-12457 Chromium: CVE-2026-12457 Insufficient data validation in Extensions4.2 0.0014 None reported
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