CVE-2025-21416

highpriority · track · 35OT risk · elevatedEPSS 0.008 · 56 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.78% (56th) EPSS

CVSS 8.8 · high

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · msrc_csaf

EPSS · scored 2026-10-27

Missing authorization in Azure Virtual Desktop allows an authorized attacker to elevate privileges over a network.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · ENISA EU

v3.18.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 6

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-862USCWE-862US

affected products (5)

Products and version ranges known to be affected.

Microsoft Azure Machine Learningall versionscert_bundDEcpe:/a:microsoft:azure:machine_learning
Microsoft Azure Virtual Desktopall versionscert_bundDEcpe:/a:microsoft:azure:virtual_desktop
Microsoft Azure Virtual Desktopall versionsenisa_euvdEU
Azure Virtual Desktopall versionsfixedmsrc_csafUS
microsoft azure virtual desktopall versionsnvdUScpe:2.3:a:microsoft:azure_virtual_desktop:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-0921Microsoft Azure: Mehrere SchwachstellenDeutsch2025-05-01csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Azure ausnutzen, um seine Privilegien zu erhöhen und beliebigen Code auszuführen.
msrc_CVE-2025-21416Azure Virtual Desktop Elevation of Privilege Vulnerability2025-04-30csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund msrc_csaf nvd NVD CVE.org MITRE

published 2025-04-30modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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