Privilege escalation in Microsoft Windows Agere Modem driver
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2025-24990 |
| CWE-ID | CWE-822 |
| Exploitation vector | Local |
| Public exploit | This vulnerability is being exploited in the wild. |
| Vulnerable software |
Windows Server Operating systems & Components / Operating system Windows Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Untrusted pointer dereference
EUVDB-ID: #VU117007
Risk: High
CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]
CVE-ID: CVE-2025-24990
CWE-ID:
CWE-822 - Untrusted Pointer Dereference
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to untrusted pointer dereference in the third party Agere Modem driver ltmdm64.sys that ships natively with supported Windows operating systems. A local user can pass specially crafted input to the driver and execute arbitrary code on the system with elevated privileges.
Note, the vulnerability is being actively exploited in the wild.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows Server: 2008 6.0.6003.22567 - 2025 10.0.26100.6584
Windows: 10 21H2 10.0.19041.3920 - 11 24H2 10.0.26100.6584
CPE2.3- cpe:2.3:o:microsoft:windows_server:2008:6.0.6003.23529:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2012:6.2.9200.25675:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2016:10.0.14393.8422:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019:10.0.17763.7792:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2022:10.0.20348.4171:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2025:10.0.26100.6584:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_21H2:10.0.19044.6332:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_22H2:10.0.19045.6332:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1507:10.0.10240.21128:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1607:10.0.14393.8422:*:*:*:*:*:*
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-24990
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.
