CVE-2020-1027 KEV
7.8
HIGH · CVSS 3.1 · EPSS 4.5% (pctl 91)
Patch first
On CISA KEV — known exploited in the wild, due 2022-06-13.
Description
An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory, aka 'Windows Kernel Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0913, CVE-2020-1000, CVE-2020-1003.
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.55% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | yes — remediate by 2022-06-13 |
| Public exploit | none known |
| Published | 2020-04-15 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Microsoft Windows Kernel Privilege Escalation Vulnerability |
|---|---|
| Added | 2022-05-23 |
| Due | 2022-06-13 |
| Vendor / product | Microsoft / Windows |
| Ransomware use | none reported |
Affected (17)
| Vendor | Product |
|---|---|
| microsoft | windows 10 1507 |
| microsoft | windows 10 1607 |
| microsoft | windows 10 1709 |
| microsoft | windows 10 1803 |
| microsoft | windows 10 1809 |
| microsoft | windows 10 1903 |
| microsoft | windows 10 1909 |
| microsoft | windows 7 |
| microsoft | windows 8.1 |
| microsoft | windows rt 8.1 |
| microsoft | windows server 1803 |
| microsoft | windows server 1903 |
| microsoft | windows server 1909 |
| microsoft | windows server 2008 |
| microsoft | windows server 2012 |
| microsoft | windows server 2016 |
| microsoft | windows server 2019 |
References
- http://packetstormsecurity.com/files/168068/Windows-sxs-CNodeFactory-XMLParser_Element_doc_assembly_assemblyIdentity-Heap-Buffer-Overflow.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1027
- http://packetstormsecurity.com/files/168068/Windows-sxs-CNodeFactory-XMLParser_Element_doc_assembly_assemblyIdentity-Heap-Buffer-Overflow.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1027
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1027
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