FKIE_CVE-2026-20922
Vulnerability from fkie_nvd - Published: 2026-01-13 18:16 - Updated: 2026-01-15 21:03
Severity ?
Summary
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
References
| URL | Tags | ||
|---|---|---|---|
| secure@microsoft.com | https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20922 | Vendor Advisory |
Impacted products
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*",
"matchCriteriaId": "9A956D23-259E-450B-8406-FEB2BBED1F39",
"versionEndExcluding": "10.0.14393.8783",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*",
"matchCriteriaId": "41D387B9-5E9D-47CB-B044-D7D10FFFB458",
"versionEndExcluding": "10.0.14393.8783",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*",
"matchCriteriaId": "DD4CBDAB-7626-4048-8474-B1BD9C1F3255",
"versionEndExcluding": "10.0.17763.8276",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*",
"matchCriteriaId": "A6D4C631-2CC0-407C-9ACA-7C151006598C",
"versionEndExcluding": "10.0.17763.8276",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*",
"matchCriteriaId": "1895E186-5B2E-43CC-AF1F-B5C95419D8C5",
"versionEndExcluding": "10.0.19044.6809",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B7CB5184-1BA1-4D71-8AE3-CF4C6B63A469",
"versionEndExcluding": "10.0.19045.6809",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8D675DAA-4DCE-4727-BE5F-C954BBD252C4",
"versionEndExcluding": "10.0.22631.6491",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*",
"matchCriteriaId": "D249551B-1433-4E5E-A587-40F782E91E09",
"versionEndExcluding": "10.0.26100.7623",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*",
"matchCriteriaId": "22082D4E-E68F-4E48-98FB-42DFDEE2E2A8",
"versionEndExcluding": "10.0.26200.7623",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*",
"matchCriteriaId": "2127D10C-B6F3-4C1D-B9AA-5D78513CC996",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*",
"matchCriteriaId": "AB425562-C0A0-452E-AABE-F70522F15E1A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*",
"matchCriteriaId": "AF07A81D-12E5-4B1D-BFF9-C8D08C32FF4F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*",
"matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*",
"matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A059E609-F8D4-4246-BDAE-0AEDED1744D2",
"versionEndExcluding": "10.0.14393.8783",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A74970A1-CC81-4482-B465-8382B1544EF3",
"versionEndExcluding": "10.0.17763.8276",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C4AA6991-DE34-48F6-AFD3-77CEE7FBB692",
"versionEndExcluding": "10.0.20348.4648",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*",
"matchCriteriaId": "BA5947E0-C44C-4517-A307-DA79752F30A8",
"versionEndExcluding": "10.0.25398.2092",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*",
"matchCriteriaId": "D44880ED-E8E9-49A8-BD56-503C63D40000",
"versionEndExcluding": "10.0.26100.32230",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally."
}
],
"id": "CVE-2026-20922",
"lastModified": "2026-01-15T21:03:37.457",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "secure@microsoft.com",
"type": "Primary"
}
]
},
"published": "2026-01-13T18:16:18.633",
"references": [
{
"source": "secure@microsoft.com",
"tags": [
"Vendor Advisory"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20922"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-122"
}
],
"source": "secure@microsoft.com",
"type": "Primary"
}
]
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…