Exploitation evidence
Known exploited · CISA KEV listed
Added 2025-05-13. 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: 2025-06-03. 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 1809
Default status: Not specified
- affected: 10.0.17763.0 to < 10.0.17763.7314 (custom)
Microsoft / Windows 10 Version 21H2
Default status: Not specified
- affected: 10.0.19044.0 to < 10.0.19044.5854 (custom)
Microsoft / Windows 10 Version 22H2
Default status: Not specified
- affected: 10.0.19045.0 to < 10.0.19045.5854 (custom)
Microsoft / Windows 11 version 22H2
Default status: Not specified
- affected: 10.0.22621.0 to < 10.0.22621.5335 (custom)
Microsoft / Windows 11 version 22H3
Default status: Not specified
- affected: 10.0.22631.0 to < 10.0.22631.5335 (custom)
Microsoft / Windows 11 Version 23H2
Default status: Not specified
- affected: 10.0.22631.0 to < 10.0.22631.5335 (custom)
Microsoft / Windows 11 Version 24H2
Default status: Not specified
- affected: 10.0.26100.0 to < 10.0.26100.4061 (custom)
Microsoft / Windows Server 2019
Default status: Not specified
- affected: 10.0.17763.0 to < 10.0.17763.7314 (custom)
Microsoft / Windows Server 2019 (Server Core installation)
Default status: Not specified
- affected: 10.0.17763.0 to < 10.0.17763.7314 (custom)
Microsoft / Windows Server 2022
Default status: Not specified
- affected: 10.0.20348.0 to < 10.0.20348.3692 (custom)
Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)
Default status: Not specified
- affected: 10.0.25398.0 to < 10.0.25398.1611 (custom)
Microsoft / Windows Server 2025
Default status: Not specified
- affected: 10.0.26100.0 to < 10.0.26100.4061 (custom)
Microsoft / Windows Server 2025 (Server Core installation)
Default status: Not specified
- affected: 10.0.26100.0 to < 10.0.26100.4061 (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
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": 0.01933,
"percentile": 0.80334
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.01917,
"percentile": 0.80041
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.01917,
"percentile": 0.80017
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.01917,
"percentile": 0.80006
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.01917,
"percentile": 0.79991
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.01917,
"percentile": 0.79959
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.01917,
"percentile": 0.79942
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.01917,
"percentile": 0.79927
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.01917,
"percentile": 0.7989
}03 Nov 2026, 18:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-30400",
"options": [
{
"Exploitation": "active"
},
{
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},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-05-14T04:00:51.092325Z",
"version": "2.0.3"
},
"type": "ssvc"
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},
{
"other": {
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"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30400"
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"references": [
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],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30400"
}
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"timeline": [
{
"lang": "en",
"time": "2025-05-13T00:00:00.000Z",
"value": "CVE-2025-30400 added to CISA KEV"
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],
"title": "CISA ADP Vulnrichment"
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"cna": {
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{
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],
"product": "Windows 10 Version 1809",
"vendor": "Microsoft",
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{
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"product": "Windows 11 version 22H2",
"vendor": "Microsoft",
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{
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"product": "Windows 11 version 22H3",
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"product": "Windows 11 Version 24H2",
"vendor": "Microsoft",
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"product": "Windows Server 2019",
"vendor": "Microsoft",
"versions": [
{
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"status": "affected",
"version": "10.0.17763.0",
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]
},
{
"platforms": [
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],
"product": "Windows Server 2019 (Server Core installation)",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.17763.7314",
"status": "affected",
"version": "10.0.17763.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2022",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.20348.3692",
"status": "affected",
"version": "10.0.20348.0",
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]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
"vendor": "Microsoft",
"versions": [
{
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"status": "affected",
"version": "10.0.25398.0",
"versionType": "custom"
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]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2025",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.26100.4061",
"status": "affected",
"version": "10.0.26100.0",
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]
},
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2025 (Server Core installation)",
"vendor": "Microsoft",
"versions": [
{
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"status": "affected",
"version": "10.0.26100.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "10.0.17763.7314",
"versionStartIncluding": "10.0.17763.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*",
"versionEndExcluding": "10.0.17763.7314",
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{
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"versionEndExcluding": "10.0.17763.7314",
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"vulnerable": true
},
{
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"versionEndExcluding": "10.0.20348.3692",
"versionStartIncluding": "10.0.20348.0",
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},
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},
{
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"versionEndExcluding": "10.0.22621.5335",
"versionStartIncluding": "10.0.22621.0",
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},
{
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},
{
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"versionEndExcluding": "10.0.26100.4061",
"versionStartIncluding": "10.0.26100.0",
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},
{
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"vulnerable": true
},
{
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"versionEndExcluding": "10.0.22631.5335",
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},
{
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"versionEndExcluding": "10.0.25398.1611",
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},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*",
"versionEndExcluding": "10.0.26100.4061",
"versionStartIncluding": "10.0.26100.0",
"vulnerable": true
},
{
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"versionEndExcluding": "10.0.26100.4061",
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}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2025-05-13T07:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Use after free in Windows DWM allows an authorized attacker to elevate privileges locally."
}
],
"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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}
]
}
],
"problemTypes": [
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"description": "CWE-416: Use After Free",
"lang": "en-US",
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}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-13T19:21:12.297Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Microsoft DWM Core Library Elevation of Privilege Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30400"
}
],
"title": "Microsoft DWM Core Library Elevation of Privilege Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2025-30400",
"datePublished": "2025-05-13T16:58:49.601Z",
"dateReserved": "2025-03-21T19:09:29.816Z",
"dateUpdated": "2026-02-26T18:28:31.544Z",
"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": 0.01917,
"percentile": 0.79866
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2025-30400",
"cwes": [
"CWE-416"
],
"dateAdded": "2025-05-13",
"dueDate": "2025-06-03",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-30400 ; https://nvd.nist.gov/vuln/detail/CVE-2025-30400",
"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 DWM Core Library contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.",
"vendorProject": "Microsoft",
"vulnerabilityName": "Microsoft Windows DWM Core Library Use-After-Free Vulnerability"
}