ACTIVELY EXPLOITED
CVE-2020-1027: Microsoft Windows Kernel Privilege Escalation Vulnerability
| Vendor | Microsoft |
|---|---|
| Product | Windows |
| Actively exploited | Yes |
| Added to CISA KEV | 23 May 2022 |
| CISA federal deadline | 13 Jun 2022 |
| Weakness (CWE) | CWE-787 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.
SOURCES
Other Microsoft flaws
- patchtuesday:2026-11: Vulnerability in Microsoft
- CVE-2026-124194: Microsoft Office Outlook Missing User Interaction for Potentially Unsafe Action Vulnerability
- CVE-2026-96951: Microsoft Windows Command Injection Vulnerability
- CVE-2026-65660: Microsoft SharePoint Code Injection Vulnerability
- CVE-2026-85880: Microsoft Windows Heap-Based Buffer Overflow Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.