Exploitation evidence
Known exploited · CISA KEV listed
Added 2025-10-14. Ransomware campaign use: Unknown.
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.
CISA due date: 2025-11-04. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Microsoft / Windows 10 Version 1507
Default status: Not specified
- affected: 10.0.10240.0 to < 10.0.10240.21161 (custom)
Microsoft / Windows 10 Version 1607
Default status: Not specified
- affected: 10.0.14393.0 to < 10.0.14393.8519 (custom)
Microsoft / Windows 10 Version 1809
Default status: Not specified
- affected: 10.0.17763.0 to < 10.0.17763.7919 (custom)
Microsoft / Windows 10 Version 21H2
Default status: Not specified
- affected: 10.0.19044.0 to < 10.0.19044.6456 (custom)
Microsoft / Windows 10 Version 22H2
Default status: Not specified
- affected: 10.0.19045.0 to < 10.0.19045.6456 (custom)
Microsoft / Windows 11 version 22H2
Default status: Not specified
- affected: 10.0.22621.0 to < 10.0.22621.6060 (custom)
Microsoft / Windows 11 Version 23H2
Default status: Not specified
- affected: 10.0.22631.0 to < 10.0.22631.6060 (custom)
Microsoft / Windows 11 Version 24H2
Default status: Not specified
- affected: 10.0.26100.0 to < 10.0.26100.6899 (custom)
Microsoft / Windows 11 Version 25H2
Default status: Not specified
- affected: 10.0.26200.0 to < 10.0.26200.6899 (custom)
Microsoft / Windows Server 2008 R2 Service Pack 1
Default status: Not specified
- affected: 6.1.7601.0 to < 6.1.7601.27974 (custom)
Microsoft / Windows Server 2008 R2 Service Pack 1 (Server Core installation)
Default status: Not specified
- affected: 6.1.7601.0 to < 6.1.7601.27974 (custom)
Microsoft / Windows Server 2008 Service Pack 2
Default status: Not specified
- affected: 6.0.6003.0 to < 6.0.6003.23571 (custom)
Microsoft / Windows Server 2008 Service Pack 2 (Server Core installation)
Default status: Not specified
- affected: 6.0.6003.0 to < 6.0.6003.23571 (custom)
Microsoft / Windows Server 2012
Default status: Not specified
- affected: 6.2.9200.0 to < 6.2.9200.25722 (custom)
Microsoft / Windows Server 2012 (Server Core installation)
Default status: Not specified
- affected: 6.2.9200.0 to < 6.2.9200.25722 (custom)
Microsoft / Windows Server 2012 R2
Default status: Not specified
- affected: 6.3.9600.0 to < 6.3.9600.22824 (custom)
Microsoft / Windows Server 2012 R2 (Server Core installation)
Default status: Not specified
- affected: 6.3.9600.0 to < 6.3.9600.22824 (custom)
Microsoft / Windows Server 2016
Default status: Not specified
- affected: 10.0.14393.0 to < 10.0.14393.8519 (custom)
Microsoft / Windows Server 2016 (Server Core installation)
Default status: Not specified
- affected: 10.0.14393.0 to < 10.0.14393.8519 (custom)
Microsoft / Windows Server 2019
Default status: Not specified
- affected: 10.0.17763.0 to < 10.0.17763.7919 (custom)
Microsoft / Windows Server 2019 (Server Core installation)
Default status: Not specified
- affected: 10.0.17763.0 to < 10.0.17763.7919 (custom)
Microsoft / Windows Server 2022
Default status: Not specified
- affected: 10.0.20348.0 to < 10.0.20348.4294 (custom)
Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)
Default status: Not specified
- affected: 10.0.25398.0 to < 10.0.25398.1913 (custom)
Microsoft / Windows Server 2025
Default status: Not specified
- affected: 10.0.26100.0 to < 10.0.26100.6899 (custom)
Microsoft / Windows Server 2025 (Server Core installation)
Default status: Not specified
- affected: 10.0.26100.0 to < 10.0.26100.6899 (custom)
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24990
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24990
- https://www.vicarius.io/vsociety/posts/cve-2025-24990-detection-script-elevation-of-privilege-vulnerability-in-agere-modem-driver-affecting-windows
- https://www.vicarius.io/vsociety/posts/cve-2025-24990-mitigation-script-elevation-of-privilege-vulnerability-in-agere-modem-driver-affecting-windows
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.07948,
"percentile": 0.94819
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.06514,
"percentile": 0.9383
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.06514,
"percentile": 0.93822
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.06514,
"percentile": 0.93819
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.06514,
"percentile": 0.93816
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.06514,
"percentile": 0.93808
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.06514,
"percentile": 0.93802
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.06514,
"percentile": 0.93798
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.06514,
"percentile": 0.93787
}03 Nov 2026, 18:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
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],
"datePublic": "2025-10-14T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "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.\nFax modem hardware dependent on this specific driver will no longer work on Windows.\nMicrosoft recommends removing any existing dependencies on this hardware."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "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",
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"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-822",
"description": "CWE-822: Untrusted Pointer Dereference",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-22T17:24:13.333Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Windows Agere Modem Driver Elevation of Privilege Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24990"
}
],
"title": "Windows Agere Modem Driver Elevation of Privilege Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2025-24990",
"datePublished": "2025-10-14T17:00:10.973Z",
"dateReserved": "2025-01-30T15:14:20.992Z",
"dateUpdated": "2026-02-26T17:47:29.261Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.06369,
"percentile": 0.93656
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2025-24990",
"cwes": [
"CWE-822"
],
"dateAdded": "2025-10-14",
"dueDate": "2025-11-04",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24990 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24990",
"product": "Windows",
"requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Microsoft Windows Agere Modem Driver contains an untrusted pointer dereference vulnerability that allows for privilege escalation. An attacker who successfully exploited this vulnerability could gain administrator privileges.",
"vendorProject": "Microsoft",
"vulnerabilityName": "Microsoft Windows Untrusted Pointer Dereference Vulnerability"
}