What’s Vulnerable › Vulnerabilities

CVE-2016-3320

• Severity: medium (CVSS 4.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-08-09 · updated 2026-06-17
• Weakness: CWE-254

Description

Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allow attackers to bypass the Secure Boot protection mechanism by leveraging (1) administrative or (2) physical access to install a crafted boot manager, aka "Secure Boot Security Feature Bypass."

Affected products

• Fedoraproject Fedora: 25
• Microsoft Windows 10 Version 1607: 1511
• Microsoft Windows 8.1: all versions
• Microsoft Windows RT 8.1: all versions
• Microsoft Windows Server 2012: r2

References

• http://www.securityfocus.com/bid/92304
• http://www.securitytracker.com/id/1036573
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-100
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MVB6Y2TVKSOBTIIBRUAJUIH3LQHMHCAG/
• http://www.securityfocus.com/bid/92304
• http://www.securitytracker.com/id/1036573
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-100
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MVB6Y2TVKSOBTIIBRUAJUIH3LQHMHCAG/

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