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CVE-2026-47656

Windows Boot Manager Security Feature Bypass vulnerability

Microsoft

MSRC advisory June 9, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-47656
Affected products
Windows Boot Manager Security Feature Bypass · Microsoft Windows Boot Manager Security Feature Bypass · Microsoft

What happened

Protection mechanism failure in Windows Boot Manager allows an authorized attacker to bypass a security feature locally.

What it means for your business

Windows Boot Manager Security Feature Bypass vulnerability (CVE-2026-47656) was added to Microsoft’s security update guidance. Protection mechanism failure in Windows Boot Manager allows an authorized attacker to bypass a security feature locally. If you need help checking exposure, call (864) 335-9223.

Sources

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