CVE-2020-17087
Windows Kernel Local Elevation of Privilege Vulnerability
- Published
- Nov 11, 2020
- Updated
- Oct 21, 2025
- Assigning CNA
- microsoft
- Evidence observed
- Nov 3, 2021
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 92.4%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
Windows Kernel Local Elevation of Privilege Vulnerability
Sources
4Exploit for CVE-2020-17087, a Windows kernel privilege escalation vulnerability. Provides proof-of-concept code for local exploitation of the Windows Kernel Cryptography Driver (cng.sys) race condition.
A CVE-2020-17087 PoC.
- Windows-Kernel-ExploitationResearch
Techniques and tools for Windows kernel exploitation, covering pool overflow exploitation, segment heap metadata abuse, and debugging scripts for heap inspection.
- OHTS_IE6052-CVE-2020-17087Exploit
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.