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CVE-2018-8307

• Severity: medium (CVSS 5.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-07-11 · updated 2026-06-17

Description

A security feature bypass vulnerability exists when Microsoft WordPad improperly handles embedded OLE objects, aka "WordPad Security Feature Bypass Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

Affected products

• Microsoft Windows 10 Version 1607: 1607, 1703, 1709, 1803
• Microsoft Windows 7: all versions
• Microsoft Windows 8.1: all versions
• Microsoft Windows RT 8.1: all versions
• Microsoft Windows Server 2008: r2, r2-sp1
• Microsoft Windows Server 2012: r2
• Microsoft Windows Server 2016: 1709, 1803
• Microsoft Windows 10 Version 1607: 32-bit Systems, Version 1607 for 32-bit Systems, Version 1607 for x64-based Systems, Version 1703 for 32-bit Systems, Version 1703 for x64-based Systems, Version 1709 for 32-bit Systems (+4)
• Microsoft Windows 10 Servers: version 1709 (Server Core Installation), version 1803 (Server Core Installation)
• Microsoft Windows 7: 32-bit Systems Service Pack 1, x64-based Systems Service Pack 1
• Microsoft Windows 8.1: 32-bit systems, x64-based systems
• Microsoft Windows RT 8.1: Windows RT 8.1
• Microsoft Windows Server 2008: 32-bit Systems Service Pack 2, 32-bit Systems Service Pack 2 (Server Core installation), Itanium-Based Systems Service Pack 2, x64-based Systems Service Pack 2, x64-based Systems Service Pack 2 (Server Core installation)
• Microsoft Windows Server 2008 R2: Itanium-Based Systems Service Pack 1, x64-based Systems Service Pack 1, x64-based Systems Service Pack 1 (Server Core installation)
• Microsoft Windows Server 2012: (Server Core installation)
• Microsoft Windows Server 2012 R2: (Server Core installation)
• Microsoft Windows Server 2016: (Server Core installation)

References

• http://www.securityfocus.com/bid/104631
• http://www.securitytracker.com/id/1041272
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8307
• http://www.securityfocus.com/bid/104631
• http://www.securitytracker.com/id/1041272
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8307

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