CVE-2026-21227

criticalpriority · track · 39EPSS 0.006 · 47 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.57% (47th) EPSS

CVSS 9.8 · critical

Is it mine?

11 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · msrc_csaf

EPSS · scored 2026-10-27

Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Logic Apps allows an unauthorized attacker to elevate privileges over a network.

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.2–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:Csecondary · ENISA EU

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:Nsecondary · secure@microsoft.com USexploitability 3.9 · impact 4.2

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

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

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USCWE-22US

affected products (11)

Products and version ranges known to be affected.

Microsoft 365 Copilot 365 Copilot's Business Chatall versionscert_bundDEcpe:/a:microsoft:365_copilot:-
Microsoft 365 Copilot Wordall versionscert_bundDEcpe:/a:microsoft:365_copilot:word
Microsoft Azure Accountall versionscert_bundDEcpe:/a:microsoft:azure:account
Microsoft Azure Data Explorerall versionscert_bundDEcpe:/a:microsoft:azure:data_explorer
Microsoft Azure Front Doorall versionscert_bundDEcpe:/a:microsoft:azure:front_door
Microsoft Azure Logic Appsall versionscert_bundDEcpe:/a:microsoft:azure:logic_apps
Microsoft Azure Resource Managerall versionscert_bundDEcpe:/a:microsoft:azure:resource_manager
Microsoft Entra IDall versionscert_bundDEcpe:/a:microsoft:entra:id
Microsoft Azure Logic Appsall versionsenisa_euvdEU
Microsoft Azure Logic Appsall versionsfixedmsrc_csafUS
microsoft azure logic appsall versionsnvdUScpe:2.3:a:microsoft:azure_logic_apps:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-0201Microsoft Azure, Copilot und Entra: Mehrere SchwachstellenDeutsch2026-01-22csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in Microsoft Azure, Microsoft 365 Copilot und Microsoft Entra ausnutzen, um seine Privilegien zu erhöhen, Cross-Site-Scripting-Angriffe durchzuführen und vertrauliche Informationen offenzulegen.
msrc_CVE-2026-21227Azure Logic Apps Elevation of Privilege Vulnerability2026-01-22csaf · 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 2026-01-22modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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