CVE-2020-17087 Microsoft Windows Kernel Privilege Escalation
A local attacker can exploit a flaw in the Windows Kernel to elevate privileges to SYSTEM level.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-17087?
CVE-2020-17087 is a high-severity vulnerability in Microsoft Windows 10 1507, published on 11 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Windows Kernel Local Elevation of Privilege Vulnerability
Weakness: CWE-131
Which versions are affected by CVE-2020-17087?
It affects 15 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1803, Microsoft Windows 10 1809, Microsoft Windows 10 1903, Microsoft Windows 10 1909 and 9 more.
How do I fix CVE-2020-17087?
No fix has been published for CVE-2020-17087 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.
Is CVE-2020-17087 being exploited?
Yes. Attackers have exploited CVE-2020-17087 in the wild since at least 3 Nov 2021.
Public exploit code: 3 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Windows 10 1507
- CVE-2017-8543 Microsoft Windows Search Remote Code Execution
- CVE-2025-33053 Microsoft Windows External Control of File Name or Path
- CVE-2025-33073 Microsoft Windows SMB Client Improper Access Control
- CVE-2024-49039 Microsoft Windows Task Scheduler Privilege Escalation
- CVE-2024-43461 Microsoft Windows MSHTML Platform Spoofing
Sources
Also known as GHSA-frqf-hcmw-8jjf.