What’s Vulnerable › Vulnerabilities

CVE-2019-0840

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-09 · updated 2026-06-17

Description

An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka 'Windows Kernel Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0844.

Affected products

• Microsoft Windows 10 Version 1607: 1709, 1803, 1809
• Microsoft Windows Server 2016: 1709, 1803
• Microsoft Windows Server 2019: all versions
• Microsoft Corporation Windows: 10 Version 1709 for 32-bit Systems, 10 Version 1709 for x64-based Systems, 10 Version 1803 for 32-bit Systems, 10 Version 1803 for x64-based Systems, 10 Version 1803 for ARM64-based Systems, 10 Version 1809 for 32-bit Systems (+3)
• Microsoft Windows Server: version 1709 (Core Installation), version 1803 (Core Installation), 2019, 2019 (Core installation)

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0840
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0840

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