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CVE-2026-12455

Use after free in Tab Strip in Microsoft Edge vulnerability

Microsoft · Microsoft Edge

MSRC advisory June 19, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-12455
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 Tab Strip in Microsoft Edge vulnerability (CVE-2026-12455) 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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