What’s Vulnerable › Vulnerabilities

CVE-2018-8637

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-12-12 · updated 2026-06-17

Description

An information disclosure vulnerability exists in Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (KASLR) bypass, aka "Win32k Information Disclosure Vulnerability." This affects Windows 10 Servers, Windows 10, Windows Server 2019.

Affected products

• Microsoft Windows 10 Version 1607: 1803, 1809
• Microsoft Windows Server 2016: 1803
• Microsoft Windows Server 2019: all versions
• Microsoft Windows 10 Version 1607: Version 1803 for 32-bit Systems, Version 1803 for ARM64-based Systems, Version 1803 for x64-based Systems, Version 1809 for 32-bit Systems, Version 1809 for ARM64-based Systems, Version 1809 for x64-based Systems
• Microsoft Windows 10 Servers: version 1803 (Server Core Installation)
• Microsoft Windows Server 2019: (Server Core installation)

References

• http://www.securityfocus.com/bid/106095
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8637
• http://www.securityfocus.com/bid/106095
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8637

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