FKIE_CVE-2026-26183
Vulnerability from fkie_nvd - Published: 2026-04-14 18:16 - Updated: 2026-04-23 18:08
Severity ?
Summary
Improper access control in Windows RPC API allows an authorized attacker to elevate privileges locally.
References
| URL | Tags | ||
|---|---|---|---|
| secure@microsoft.com | https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26183 | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| microsoft | windows_server_2012 | - | |
| microsoft | windows_server_2012 | r2 | |
| microsoft | windows_server_2016 | * | |
| microsoft | windows_server_2019 | * | |
| microsoft | windows_server_2022 | * | |
| microsoft | windows_server_2022_23h2 | * | |
| microsoft | windows_server_2025 | * |
{
"configurations": [
{
"nodes": [
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"criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*",
"matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074",
"vulnerable": true
},
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"matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E",
"vulnerable": true
},
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Improper access control in Windows RPC API allows an authorized attacker to elevate privileges locally."
}
],
"id": "CVE-2026-26183",
"lastModified": "2026-04-23T18:08:51.003",
"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": "2026-04-14T18:16:55.187",
"references": [
{
"source": "secure@microsoft.com",
"tags": [
"Vendor Advisory"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26183"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Analyzed",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "CWE-284"
}
],
"source": "secure@microsoft.com",
"type": "Primary"
}
]
}
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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.
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