CVE-2025-24990 Microsoft Windows Untrusted Pointer Dereference
Attackers can exploit the Agere Modem driver to gain elevated privileges on Windows systems, prompting Microsoft to remove the driver in recent updates.
- Exploited in the wild
- Since 14 Oct 2025
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-24990?
CVE-2025-24990 is a high-severity vulnerability in Microsoft Windows 10 1507, published on 14 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware dependent on this specific driver will no longer work on Windows. Microsoft recommends removing any existing dependencies on this hardware.
Weakness: CWE-822
Which versions are affected by CVE-2025-24990?
It affects 16 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 10 more.
How do I fix CVE-2025-24990?
No fix has been published for CVE-2025-24990 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 4 Nov 2025.
Is CVE-2025-24990 being exploited?
Yes. Attackers have exploited CVE-2025-24990 in the wild since at least 14 Oct 2025.
Public exploit code: 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-9g9x-fc99-93r6.