What’s Vulnerable › Vulnerabilities

CVE-2018-8253

• Severity: medium (CVSS 4.6 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-08-15 · updated 2026-06-17

Description

An elevation of privilege vulnerability exists when Microsoft Cortana allows arbitrary website browsing on the lockscreen, aka "Microsoft Cortana Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10.

Affected products

• Microsoft Windows 10 Version 1607: 1607
• Microsoft Windows Server 2016: all versions
• Microsoft Windows 10 Version 1607: Version 1607 for 32-bit Systems, Version 1607 for x64-based Systems
• Microsoft Windows Server 2016: (Server Core installation)

References

• http://www.securityfocus.com/bid/105009
• http://www.securitytracker.com/id/1041477
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8253
• http://www.securityfocus.com/bid/105009
• http://www.securitytracker.com/id/1041477
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8253

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