An issue was discovered in WinRing0x64.sys in Moo0 System Monitor 1.83
Published Mar 25, 2020
7.2
HIGHCVSS 3.1
EPSS 2.39%
Description
An issue was discovered in WinRing0x64.sys in Moo0 System Monitor 1.83. The vulnerable driver exposes a wrmsr instruction via IOCTL 0x9C402088 and does not properly filter the Model Specific Register (MSR). Allowing arbitrary MSR writes can lead to Ring-0 code execution and escalation of privileges.
Affected products
No data.
- 1.83
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.39% (0.02394) | 83.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.39% (0.02394) | 81.76th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.13% (0.00131) | 48.55th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.13% (0.00131) | 47.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00122) | 44.85th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.09% (0.01086) | 53.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.09% (0.01086) | 49.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 15.36% (0.15362) | 92.49th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.20% (0.03197) | 66.46th | v5 (v2026.06.15) |
| Jan 6, 2022 | 3.20% (0.03197) | 66.14th | v1 |
| Sep 1, 2021 | 0.73% (0.00731) | 49.19th | v1 |
| Apr 14, 2021 | 0.73% (0.00731) | 0.00th | v1 |
References (1)
- https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2019-0004/FEYE-2019-0004.md x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2019-0004/FEYE-2019-0004.md | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.