What’s Vulnerable › Vulnerabilities

CVE-2019-0621

• 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: 2019-03-06 · 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-2019-0661, CVE-2019-0663.

Affected products

• Microsoft Windows 10 Version 1607: 1607, 1703, 1709, 1803, 1809
• Microsoft Windows 7: all versions
• Microsoft Windows 8.1: all versions
• Microsoft Windows RT 8.1: all versions
• Microsoft Windows Server 2008: r2-sp1
• Microsoft Windows Server 2012: r2
• Microsoft Windows Server 2016: 1709, 1803
• Microsoft Windows Server 2019: all versions
• Microsoft Corporation Windows: 7 for 32-bit Systems Service Pack 1, 7 for x64-based Systems Service Pack 1, 8.1 for 32-bit systems, 8.1 for x64-based systems, RT 8.1, 10 for 32-bit Systems (+14)
• Microsoft Windows Server: 2008 R2 for x64-based Systems Service Pack 1 (Core installation), 2008 R2 for Itanium-Based Systems Service Pack 1, 2008 R2 for x64-based Systems Service Pack 1, 2008 for 32-bit Systems Service Pack 2 (Core installation), 2012, 2012 (Core installation) (+12)

References

• http://www.securityfocus.com/bid/106873
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0621
• http://www.securityfocus.com/bid/106873
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0621

Get alerted when CVE-2019-0621 or the next vulnerability affects your stack