CVE-2020-16854

Windows Kernel Information Disclosure Vulnerability

CVE-2020-16854 is fixed in 34 products on 1 platform, first by KB4577015, released September 8, 2020. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0121
68th 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 1607 for 32-bit Systems 14393.3930 KB4577015 Sep 8, 2020
Windows 10 Version 1607 for x64-based Systems 14393.3930 KB4577015 Sep 8, 2020
Windows 10 Version 1709 for 32-bit Systems 16299.2107 KB4577041 Sep 8, 2020
Windows 10 Version 1709 for ARM64-based Systems 16299.2107 KB4577041 Sep 8, 2020
Windows 10 Version 1709 for x64-based Systems 16299.2107 KB4577041 Sep 8, 2020
Windows 10 Version 1803 for 32-bit Systems 17134.1726 KB4577032 Sep 8, 2020
Windows 10 Version 1803 for ARM64-based Systems 17134.1726 KB4577032 Sep 8, 2020
Windows 10 Version 1803 for x64-based Systems 17134.1726 KB4577032 Sep 8, 2020
Windows 10 Version 1809 for 32-bit Systems 17763.1457 KB4570333 Sep 8, 2020
Windows 10 Version 1809 for ARM64-based Systems 17763.1457 KB4570333 Sep 8, 2020
Windows 10 Version 1809 for x64-based Systems 17763.1457 KB4570333 Sep 8, 2020
Windows 10 Version 1903 for 32-bit Systems KB4574727 Sep 8, 2020
Windows 10 Version 1903 for ARM64-based Systems KB4574727 Sep 8, 2020
Windows 10 Version 1903 for x64-based Systems KB4574727 Sep 8, 2020
Windows 10 Version 1909 for 32-bit Systems KB4574727 Sep 8, 2020
Windows 10 Version 1909 for ARM64-based Systems KB4574727 Sep 8, 2020
Windows 10 Version 1909 for x64-based Systems KB4574727 Sep 8, 2020
Windows 10 Version 2004 for 32-bit Systems 19041.508 KB4571756 Sep 8, 2020
Windows 10 Version 2004 for ARM64-based Systems 19041.508 KB4571756 Sep 8, 2020
Windows 10 Version 2004 for x64-based Systems 19041.508 KB4571756 Sep 8, 2020
Windows 10 for 32-bit Systems 10240.18696 KB4577049 Sep 8, 2020
Windows 10 for x64-based Systems 10240.18696 KB4577049 Sep 8, 2020
Windows 8.1 for 32-bit systems KB4577066 Sep 8, 2020
Windows 8.1 for 32-bit systems KB4577071 Sep 8, 2020
Windows 8.1 for x64-based systems KB4577066 Sep 8, 2020
Windows 8.1 for x64-based systems KB4577071 Sep 8, 2020
Windows RT 8.1 KB4577066 Sep 8, 2020
Windows Server 2012 R2 KB4577066 Sep 8, 2020
Windows Server 2012 R2 KB4577071 Sep 8, 2020
Windows Server 2012 R2 (Server Core installation) KB4577066 Sep 8, 2020
Windows Server 2012 R2 (Server Core installation) KB4577071 Sep 8, 2020
Windows Server 2016 14393.3930 KB4577015 Sep 8, 2020
Windows Server 2016 (Server Core installation) 14393.3930 KB4577015 Sep 8, 2020
Windows Server 2019 17763.1457 KB4570333 Sep 8, 2020
Windows Server 2019 (Server Core installation) 17763.1457 KB4570333 Sep 8, 2020
Windows Server, version 1903 (Server Core installation) KB4574727 Sep 8, 2020
Windows Server, version 1909 (Server Core installation) KB4574727 Sep 8, 2020
Windows Server, version 2004 (Server Core installation) 19041.508 KB4571756 Sep 8, 2020

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