CVE-2025-24990 kev in the critical feed json
Windows Agere Modem Driver Elevation of Privilege Vulnerability
published 2025-10-14 12 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-34257
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2025-10-14
- epss
- 6.5%
- EPSS 6.5% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
cisa required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Microsoft Windows 10 Version 1507 10.0.10240.21161
- Microsoft Windows 10 Version 1607 10.0.14393.8519
- Microsoft Windows 10 Version 1809 10.0.17763.7919
- Microsoft Windows 10 Version 21H2 10.0.19044.6456
- Microsoft Windows 10 Version 22H2 10.0.19045.6456
- Microsoft Windows 11 version 22H2 10.0.22621.6060
- Microsoft Windows 11 Version 23H2 10.0.22631.6060
- Microsoft Windows 11 Version 24H2 10.0.26100.6899
- Microsoft Windows 11 Version 25H2 10.0.26200.6899
- Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.27974
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.27974
- Microsoft Windows Server 2008 Service Pack 2 6.0.6003.23571
- Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.23571
- Microsoft Windows Server 2012 6.2.9200.25722
- Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.25722
- Microsoft Windows Server 2012 R2 6.3.9600.22824
- Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.22824
- Microsoft Windows Server 2016 10.0.14393.8519
- Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.8519
- Microsoft Windows Server 2019 10.0.17763.7919
- Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.7919
- Microsoft Windows Server 2022 10.0.20348.4294
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1913
- Microsoft Windows Server 2025 10.0.26100.6899
- Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.6899
Timeline
- Added to CISA KEV
- Published
- CISA SSVC: exploitation active
- CISA patch deadline
Known exploited
- Added
- 12 mo ago
- Patch by
- 2025-11-04 (12 mo ago)
- Ransomware
- Not known
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Vendor, product
- Microsoft, Windows
- CISA name
- Microsoft Windows Untrusted Pointer Dereference Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- 12 mo ago
Exploit prediction
6.51% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | 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 |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 version 22H2
- Microsoft Windows 11 Version 23H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 11 Version 25H2
- Microsoft Windows Server 2008 R2 Service Pack 1
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
- Microsoft Windows Server 2008 Service Pack 2
- Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 (Server Core installation)
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core installation)
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server 2022
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
- Microsoft Windows Server 2025
- Microsoft Windows Server 2025 (Server Core installation)
Classification
- Weakness
-
- CWE-822 Untrusted Pointer Dereference
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2025-24990
vendor-advisory, patch
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24990
government-resource, us-government-resource
-
vicarius.io
/vsociety/posts/cve-2025-24990-detection-script-elevation-of-privilege-vulnerability-in-agere-modem-driver-aff
third-party-advisory
-
vicarius.io
/vsociety/posts/cve-2025-24990-mitigation-script-elevation-of-privilege-vulnerability-in-agere-modem-driver-af
mitigation, third-party-advisory
Sources
- CVE List CVE-2025-24990
- NVD CVE-2025-24990
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