CVE-2026-12443
Use after free in Web Authentication in Microsoft Edge vulnerability
MSRC advisory June 19, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-12443
- Affected products
- Microsoft Edge · Microsoft Microsoft Edge · Microsoft
What happened
Corrected CVE title. This is an informational change only.
What it means for your business
Use after free in Web Authentication in Microsoft Edge vulnerability (CVE-2026-12443) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Sources
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