CVE-2019-1458 Microsoft Win32k Privilege Escalation
Attackers can exploit a Win32k memory handling flaw to gain elevated privileges on Windows systems.
- Exploited in the wild
- Since 10 Jan 2022
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-1458?
CVE-2019-1458 is a high-severity vulnerability in Microsoft Windows 10 1507, published on 10 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'.
Which versions are affected by CVE-2019-1458?
It affects 8 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008 and 2 more.
How do I fix CVE-2019-1458?
No fix has been published for CVE-2019-1458 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 10 Jul 2022.
Is CVE-2019-1458 being exploited?
Yes. Attackers have exploited CVE-2019-1458 in the wild since at least 10 Jan 2022, including in ransomware campaigns.
Public exploit code: 1 Metasploit module, 1 Exploit-DB entry and 2 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-hqp5-7hf2-3rq4.