CVE-2020-17087
KEVMicrosoft Windows Kernel Privilege Escalation Vulnerability
Description
Microsoft Windows kernel contains an unspecified vulnerability that allows for privilege escalation.
Windows Kernel Local Elevation of Privilege Vulnerability
CVSS 3.1 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HPublishedNov 11, 2020
Last modifiedJun 17, 2026
Added to KEVNov 3, 2021
Remediation dueMay 3, 2022
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17087PatchVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17087US Government Resource
0 recent articles mention this CVE
70
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1638 days
- CVSS
- 7.8 HIGH
- EPSS (30-day exploit probability)
- 5.4% · top 7% of all CVEs
- Weakness
- CWE-131
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.