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01 Record

CVE-2020-1047

Windows Hyper-V Elevation of Privilege Vulnerability

HighPUBLISHEDCNA: microsoft
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

02 Description

Windows Hyper-V Elevation of Privilege Vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.89% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 59.0% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-10-16 22:18Z6 YR AGO
Last updated
2024-08-04 06:25Z2 YR AGO
Reserved
2019-11-04
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
High (CVSS 7.8)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Weaknesses
No CWE assigned
Data version
5.1
Document digest
072954ae87d451342daf8e8795da7cd955347c2c33abb71af6385a72c5f9c9d9

05 Affected products

VendorProductVersionsPlatforms
MicrosoftWindows 10 Version 180310.0.0 to < publicationx64-based Systems
MicrosoftWindows 10 Version 180910.0.0 to < publicationx64-based Systems
MicrosoftWindows Server 201910.0.0 to < publicationx64-based Systems
MicrosoftWindows Server 2019 (Server Core installation)10.0.0 to < publicationx64-based Systems
MicrosoftWindows 10 Version 190910.0.0 to < publicationx64-based Systems
MicrosoftWindows Server, version 1909 (Server Core installation)10.0.0 to < publicationx64-based Systems
MicrosoftWindows 10 Version 170910.0.0 to < publicationx64-based Systems
MicrosoftWindows 10 Version 1903 for x64-based Systems10.0.0 to < publicationUnknown
MicrosoftWindows Server, version 1903 (Server Core installation)10.0.0 to < publicationx64-based Systems
MicrosoftWindows 10 Version 200410.0.0 to < publicationx64-based Systems
MicrosoftWindows Server version 200410.0.0 to < publicationx64-based Systems

06 References