CVE-2019-0840

Windows Kernel Information Disclosure Vulnerability

CVE-2019-0840 is fixed in 13 products on 1 platform, first by KB4493441, released April 9, 2019. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent
CVSS
5.5
Important
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0213
82nd percentile

<p>An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system.</p> <p>To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application. The vulnerability would not allow an attacker to execute code or to elevate user rights directly, but it could be used to obtain information that could be used to try to further compromise the affected system.</p> <p>The update addresses the vulnerability by correcting how the Windows kernel handles objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1709 for 32-bit Systems 16299.1087 KB4493441 Apr 9, 2019
Windows 10 Version 1709 for ARM64-based Systems 16299.1087 KB4493441 Apr 9, 2019
Windows 10 Version 1709 for x64-based Systems 16299.1087 KB4493441 Apr 9, 2019
Windows 10 Version 1803 for 32-bit Systems 17134.706 KB4493464 Apr 9, 2019
Windows 10 Version 1803 for ARM64-based Systems 17134.706 KB4493464 Apr 9, 2019
Windows 10 Version 1803 for x64-based Systems 17134.706 KB4493464 Apr 9, 2019
Windows 10 Version 1809 for 32-bit Systems 17763.437 KB4493509 Apr 9, 2019
Windows 10 Version 1809 for ARM64-based Systems 17763.437 KB4493509 Apr 9, 2019
Windows 10 Version 1809 for x64-based Systems 17763.437 KB4493509 Apr 9, 2019
Windows Server 2019 17763.437 KB4493509 Apr 9, 2019
Windows Server 2019 (Server Core installation) 17763.437 KB4493509 Apr 9, 2019
Windows Server, version 1709 (Server Core Installation) 16299.1087 KB4493441 Apr 9, 2019
Windows Server, version 1803 (Server Core Installation) 17134.706 KB4493464 Apr 9, 2019

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