CVEs / CVE-2020-0986
CVE-2020-0986: Microsoft Windows Kernel Privilege Escalation Vulnerability
- Known exploited in the CISA KEV catalog since 3 Nov 2021
- high 7.8 CVSS 3.1 (NVD)
- EPSS 16.4% chance of exploitation in the next 30 days, higher than 96% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Windows kernel contains an unspecified vulnerability when handling objects in memory that allows attackers to escalate privileges and execute code in kernel mode.
Description
An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory, aka 'Windows Kernel Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1237, CVE-2020-1246, CVE-2020-1262, CVE-2020-1264, CVE-2020-1266, CVE-2020-1269, CVE-2020-1273, CVE-2020-1274, CVE-2020-1275, CVE-2020-1276, CVE-2020-1307, CVE-2020-1316.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows | 10 Version 1803 for 32-bit Systems | — |
| Microsoft Windows | 10 Version 1803 for x64-based Systems | — |
| Microsoft Windows | 10 Version 1803 for ARM64-based Systems | — |
| Microsoft Windows | 10 Version 1809 for 32-bit Systems | — |
| Microsoft Windows | 10 Version 1809 for x64-based Systems | — |
| Microsoft Windows | 10 Version 1809 for ARM64-based Systems | — |
| Microsoft Windows | 10 Version 1709 for 32-bit Systems | — |
| Microsoft Windows | 10 Version 1709 for x64-based Systems | — |
| Microsoft Windows | 10 Version 1709 for ARM64-based Systems | — |
| Microsoft Windows | 10 for 32-bit Systems | — |
| Microsoft Windows | 10 for x64-based Systems | — |
| Microsoft Windows | 10 Version 1607 for 32-bit Systems | — |
| Microsoft Windows | 10 Version 1607 for x64-based Systems | — |
| Microsoft Windows | 8.1 for 32-bit systems | — |
| Microsoft Windows | 8.1 for x64-based systems | — |
| Microsoft Windows | RT 8.1 | — |
| Microsoft Windows Server | version 1803 (Core Installation) | — |
| Microsoft Windows Server | 2019 | — |
| Microsoft Windows Server | 2019 (Core installation) | — |
| Microsoft Windows Server | 2016 | — |
| Microsoft Windows Server | 2016 (Core installation) | — |
| Microsoft Windows Server | 2012 | — |
| Microsoft Windows Server | 2012 (Core installation) | — |
| Microsoft Windows Server | 2012 R2 | — |
| Microsoft Windows Server | 2012 R2 (Core installation) | — |
| Microsoft Windows 10 Version 1909 for 32-bit Systems | unspecified | — |
| Microsoft Windows 10 Version 1909 for x64-based Systems | unspecified | — |
| Microsoft Windows 10 Version 1909 for ARM64-based Systems | unspecified | — |
| Microsoft Windows Server, version 1909 (Server Core installation) | unspecified | — |
| Microsoft Windows 10 Version 1903 for 32-bit Systems | unspecified | — |
Exploitation
| In CISA KEV since | 3 Nov 2021 |
|---|---|
| Due date for US federal agencies | 3 May 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-787 |
References
- CVE-2020-0986 on NVD
- CVE-2020-0986 in the CISA KEV catalog
- http://packetstormsecurity.com/files/160698/Microsoft-Windows-splWOW64-Privilege-Escalation.html Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0986 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0986 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.