--- title: "CVE-2025-24990: Windows Agere Modem Driver Elevation… | CubePath" description: "Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This…" language: en source: https://cubepath.com/security/cve/CVE-2025-24990 --- # CVE-2025-24990: Windows Agere Modem Driver Elevation… | CubePath ## 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. Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-24990) ## Key data ### CVSS 3.1 High 7.8 Score published by microsoft in the CVE record. CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C | Metric | Value | What it means | | ---------------------- | --------- | ----------------------------------------------------------------------------------------- | | Attack vector | Local | The attacker needs local access to the system, or to trick a user into running something. | | Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. | | Privileges required | Low | A basic user account is needed. | | User interaction | None | No action from any user is needed. | | Scope | Unchanged | The impact stays within the vulnerable component. | | Confidentiality impact | High | Serious or total effect on the secrecy of data. | | Integrity impact | High | Serious or total effect on the trustworthiness of data. | | Availability impact | High | Serious or total effect on availability. | CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) . ### EPSS Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days. Score 0.06514 (6.5% probability) Percentile 93.8% Scores of Nov 10, 2026 Model v2026.06.15 ### CISA Known Exploited Vulnerabilities This CVE is listed in the CISA KEV catalog. Name in the catalog Microsoft Windows Untrusted Pointer Dereference Vulnerability Added to the catalog Oct 14, 2025 Federal due date Nov 4, 2025 ### CISA assessment as of Oct 15, 2025 Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA. Exploitation Recorded by CISA as active Automatable no Technical impact total ### Weakness (CWE) CWE catalog version 5.0. CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license. - [CWE-822](https://cwe.mitre.org/data/definitions/822.html) Untrusted Pointer Dereference ## Affected products Products listed in the CVE record, as the CNA published them. - Microsoft Windows 10 Version 1507 - affected: 10.0.10240.0 up to before 10.0.10240.21161 - Microsoft Windows 10 Version 1607 - affected: 10.0.14393.0 up to before 10.0.14393.8519 - Microsoft Windows 10 Version 1809 - affected: 10.0.17763.0 up to before 10.0.17763.7919 - Microsoft Windows 10 Version 21H2 - affected: 10.0.19044.0 up to before 10.0.19044.6456 - Microsoft Windows 10 Version 22H2 - affected: 10.0.19045.0 up to before 10.0.19045.6456 - Microsoft Windows 11 version 22H2 - affected: 10.0.22621.0 up to before 10.0.22621.6060 - Microsoft Windows 11 Version 23H2 - affected: 10.0.22631.0 up to before 10.0.22631.6060 - Microsoft Windows 11 Version 24H2 - affected: 10.0.26100.0 up to before 10.0.26100.6899 - Microsoft Windows 11 Version 25H2 - affected: 10.0.26200.0 up to before 10.0.26200.6899 - Microsoft Windows Server 2008 R2 Service Pack 1 - affected: 6.1.7601.0 up to before 6.1.7601.27974 - Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) - affected: 6.1.7601.0 up to before 6.1.7601.27974 - Microsoft Windows Server 2008 Service Pack 2 - affected: 6.0.6003.0 up to before 6.0.6003.23571 - Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) - affected: 6.0.6003.0 up to before 6.0.6003.23571 - Microsoft Windows Server 2012 - affected: 6.2.9200.0 up to before 6.2.9200.25722 - Microsoft Windows Server 2012 (Server Core installation) - affected: 6.2.9200.0 up to before 6.2.9200.25722 - Microsoft Windows Server 2012 R2 - affected: 6.3.9600.0 up to before 6.3.9600.22824 - Microsoft Windows Server 2012 R2 (Server Core installation) - affected: 6.3.9600.0 up to before 6.3.9600.22824 - Microsoft Windows Server 2016 - affected: 10.0.14393.0 up to before 10.0.14393.8519 - Microsoft Windows Server 2016 (Server Core installation) - affected: 10.0.14393.0 up to before 10.0.14393.8519 - Microsoft Windows Server 2019 - affected: 10.0.17763.0 up to before 10.0.17763.7919 - Microsoft Windows Server 2019 (Server Core installation) - affected: 10.0.17763.0 up to before 10.0.17763.7919 - Microsoft Windows Server 2022 - affected: 10.0.20348.0 up to before 10.0.20348.4294 - Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) - affected: 10.0.25398.0 up to before 10.0.25398.1913 - Microsoft Windows Server 2025 - affected: 10.0.26100.0 up to before 10.0.26100.6899 - Microsoft Windows Server 2025 (Server Core installation) - affected: 10.0.26100.0 up to before 10.0.26100.6899 ## References Links listed in the CVE record. They lead to other sites, which CubePath does not control. - [Windows Agere Modem Driver Elevation of Privilege Vulnerability](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24990) (msrc.microsoft.com) vendor-advisory patch - [vicarius.io/vsociety/posts/cve-2025-24990-detection-script-…](https://www.vicarius.io/vsociety/posts/cve-2025-24990-detection-script-elevation-of-privilege-vulnerability-in-agere-modem-driver-affecting-windows) - [vicarius.io/vsociety/posts/cve-2025-24990-mitigation-script…](https://www.vicarius.io/vsociety/posts/cve-2025-24990-mitigation-script-elevation-of-privilege-vulnerability-in-agere-modem-driver-affecting-windows) ## Timeline 1. ID reserved Jan 30, 2025 2. Added to CISA KEV Oct 14, 2025 3. Record published Oct 14, 2025 4. Record last updated Feb 26, 2026 ## Look up another CVE ## About CubePath CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection. [Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection) Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:04 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)