WID-SEC-W-2026-1602
Vulnerability from csaf_certbund - Published: 2026-05-19 22:00 - Updated: 2026-05-20 22:00Summary
Microsoft Azure Portal Windows Admin Center: Schwachstelle ermöglicht Erlangen von Administratorrechten
Severity
Mittel
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Microsoft Windows Admin Center ist ein webbasiertes Tool zur Verwaltung von Windows Servern, Clustern und PCs.
Angriff: Ein lokaler Angreifer kann eine Schwachstelle in Microsoft Azure Portal Windows Admin Center ausnutzen, um Administratorrechte zu erlangen.
Betroffene Betriebssysteme: - Windows
Affected products
Known affected
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Microsoft Windows Admin Center in Azure Portal
Microsoft / Windows Admin Center
|
cpe:/a:microsoft:windows_admin_center:in_azure_portal
|
in Azure Portal |
References
3 references
{
"document": {
"aggregate_severity": {
"text": "mittel"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Microsoft Windows Admin Center ist ein webbasiertes Tool zur Verwaltung von Windows Servern, Clustern und PCs.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein lokaler Angreifer kann eine Schwachstelle in Microsoft Azure Portal Windows Admin Center ausnutzen, um Administratorrechte zu erlangen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Windows",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2026-1602 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1602.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-1602 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1602"
},
{
"category": "external",
"summary": "Microsoft CVE-2026-42834 vom 2026-05-19",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834"
}
],
"source_lang": "en-US",
"title": "Microsoft Azure Portal Windows Admin Center: Schwachstelle erm\u00f6glicht Erlangen von Administratorrechten",
"tracking": {
"current_release_date": "2026-05-20T22:00:00.000+00:00",
"generator": {
"date": "2026-05-21T07:35:43.170+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-1602",
"initial_release_date": "2026-05-19T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-05-19T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-05-20T22:00:00.000+00:00",
"number": "2",
"summary": "Referenz(en) aufgenommen: EUVD-2026-31104"
}
],
"status": "final",
"version": "2"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "in Azure Portal",
"product": {
"name": "Microsoft Windows Admin Center in Azure Portal",
"product_id": "T053873",
"product_identification_helper": {
"cpe": "cpe:/a:microsoft:windows_admin_center:in_azure_portal"
}
}
}
],
"category": "product_name",
"name": "Windows Admin Center"
}
],
"category": "vendor",
"name": "Microsoft"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-42834",
"product_status": {
"known_affected": [
"T053873"
]
},
"release_date": "2026-05-19T22:00:00.000+00:00",
"title": "CVE-2026-42834"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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