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Windows Boot Loader Security Feature Bypass vulnerabilities

2 published alerts for Microsoft Windows Boot Loader Security Feature Bypass.

Microsoft MSRC

CVE-2026-58638

Windows Boot Loader Security Feature Bypass vulnerability

Windows Boot Loader Security Feature Bypass vulnerability (CVE-2026-58638) was added to Microsoft’s security update guidance. Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Microsoft MSRC

CVE-2026-58638

Windows Boot Loader Security Feature Bypass vulnerability

Windows Boot Loader Security Feature Bypass vulnerability (CVE-2026-58638) was added to Microsoft’s security update guidance. Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.