CVE-2020-0839
HIGHWindows 10 and Windows Server 2016/2019 - Privilege Escalation in dnsrslvr.dll
Title source: llmDescription
<p>An elevation of privilege vulnerability exists in the way that the dnsrslvr.dll handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.</p> <p>To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application.</p> <p>The security update addresses the vulnerability by ensuring the dnsrslvr.dll properly handles objects in memory.</p>
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0839
Scores
CVSS v3
7.8
EPSS
0.0093
EPSS Percentile
57.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
Status
published
Products (13)
microsoft/windows_10
(2 CPE variants)
microsoft/windows_10
1607 (2 CPE variants)
microsoft/windows_10
1709
microsoft/windows_10
1803
microsoft/windows_10
1809
microsoft/windows_10
1903
microsoft/windows_10
1909
microsoft/windows_10
2004
microsoft/windows_server_2016
microsoft/windows_server_2016
1903
... and 3 more
Published
Sep 11, 2020
Tracked Since
Feb 18, 2026