CVE-2026-83941

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

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.78% (56th) EPSS

CVSS 8.8 · high

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

fstec_bdu · cert_bund · msrc_csaf · nvd

EPSS · scored 2026-10-27

Missing authorization in Entra ID allows an authorized attacker to elevate privileges over a network.

cvss

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

9.9

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.9

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

v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Lprimary · secure@microsoft.com USexploitability 3.1 · impact 6

v3.19.9criticalAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Lsecondary · FSTEC (BDU) RU

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)

v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L/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: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-862USCWE-862USCWE-862US

affected products (8)

Products and version ranges known to be affected.

Microsoft 365 Copilot Studioall versionscert_bundDEcpe:/a:microsoft:365_copilot:studio
Microsoft Azure AI Languageall versionscert_bundDEcpe:/a:microsoft:azure:ai_language
Microsoft Azure Active Directory B2Call versionscert_bundDEcpe:/a:microsoft:azure:active_directory_b2c
Microsoft Azure Cosmos DBall versionscert_bundDEcpe:/a:microsoft:azure_cosmos_db:-
Microsoft Entra IDall versionscert_bundDEcpe:/a:microsoft:entra:id
Microsoft Corp Microsoft Entra IDall versionsfstec_bduRU
Microsoft Microsoft Entra IDall versionsfixedmsrc_csafUS
microsoft entra idall versionsnvdUScpe:2.3:a:microsoft:entra_id:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3186Microsoft Clouddienste: Mehrere SchwachstellenDeutsch2026-09-03csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in verschiedenen Microsoft Clouddiensten ausnutzen, um Sicherheitsmechanismen zu umgehen, Berechtigungen zu erhöhen, vertrauliche Informationen offenzulegen sowie Daten oder Dienste zu beeinträchtigen.
msrc_CVE-2026-83941Entra ID Elevation of Privilege Vulnerability2026-09-08csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (1)

Other names and identifiers for this entity.

BDU:2026-14439 fstec_bdu

sources

Which sources assert this record, and when.

fstec_bdu cert_bund msrc_csaf nvd NVD CVE.org MITRE

published 2026-09-08modified 2026-09-16

references (1) nvd

External citations — patches, advisories, analysis.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83941Vendor Advisory

scry

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