CVE-2026-109469CriticalEoPNetwork

Entra Device Registration Elevation of Privilege Vulnerability

MSRC advisory NVD CVE.org

Assessment

Authorization bypass through user-controlled key in Entra Device Registration allows an unauthorized attacker to elevate privileges over a network.

Severity: Critical
CVSS base score: 10.0
Impact: Elevation of Privilege
Exploitation detected: No known exploitation (MSRC assessment)
Exploitability: Exploitation Less Likely
Publicly disclosed: No (MSRC assessment)
EPSS · 30-day forecast: 0.7%FIRST forecast dated 10 Nov 2026, for the following 30 days · FIRST percentile 52.2% · about EPSS
Customer action: Not required (service-side fix)

More details

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Public detection template: No Nuclei template is listed in the current collected catalog
Component: Entra Device Registration
Weakness: CWE-639: Authorization Bypass Through User-Controlled Key
Issued by: Microsoft
Published: 5 Nov 2026 · November 2026
Last revised: 5 Nov 2026

CVSS 3.1 base metricsRed raises the risk · green lowers it

Attack vector: NetworkAV:N
Attack complexity: LowAC:L
Privileges required: NonePR:N
User interaction: NoneUI:N
Scope: ChangedS:C
Confidentiality: HighC:H
Integrity: HighI:H
Availability: HighA:H

Updates that fix it

0 KBs

No KB listed

No KB update is listed in the collected MSRC record. Check the MSRC advisory for product releases and other remedies.

Affected products

Azure

1 affected product

Entra Device Registration

Page history

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Cite this version

Field-level log (4)

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10 Nov 2026 · 18:32:11 UTC EPSS0.7%; scored 9 Nov 2026 → 0.7%; scored 10 Nov 2026
9 Nov 2026 · 22:24:37 UTC EPSS0.7%; scored 8 Nov 2026 → 0.7%; scored 9 Nov 2026
8 Nov 2026 · 15:16:05 UTC EPSS0.7%; scored 7 Nov 2026 → 0.7%; scored 8 Nov 2026
7 Nov 2026 · 16:12:44 UTC EPSSNo EPSS score collected → 0.7%; scored 7 Nov 2026

Explore global source statements, affected packages and advisory history for CVE-2026-109469. The catalog has a separate collection scope from Microsoft release records.

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

cve-program · CVE-2026-109469

Published

Entra Device Registration Elevation of Privilege Vulnerability

Authorization bypass through user-controlled key in Entra Device Registration allows an unauthorized attacker to elevate privileges over a network.

Source published: 6 Nov 2026 23:06:41 UTC
Source modified: 6 Nov 2026 23:06:41 UTC
Observed here: 7 Nov 2026 02:27:00 UTC
Source terms: CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 3.1 · 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C