VYPR
← All advisories
High severity7.8NVD Advisory· Published Sep 11, 2020· Updated Jun 17, 2026

CVE-2020-0839

CVE-2020-0839

Description

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. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by ensuring the dnsrslvr.dll properly handles objects in memory.

Affected products

23
  • Microsoft/Windows Server 2019v52 versions
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
  • Microsoft/Windows 10 1909v512 versions
    cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*+ 11 more
    • cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*range: 10.0.0
  • Microsoft/Windows 10 1809v52 versions
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*range: 10.0.0
  • Microsoft/Windows 10 1607v5
    cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
    Range: 10.0.0
  • Microsoft/Windows Server 2016v55 versions
    cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
  • Microsoft/dnsrslvr.dllllm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

0

No linked articles in our index yet.