CVE-2026-62906

highpriority · track · 30EPSS 0.009 · 60 %ileDERUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.92% (60th) EPSS

CVSS 7.4 · 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

Improper neutralization of special elements in data query logic in Microsoft Discovery Studio allows an unauthorized attacker to disclose information over a network.

cvss

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

7.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–7.4

v3.17.4highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:Nprimary · secure@microsoft.com USexploitability 2.8 · impact 4

v3.17.4highAV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.16.8mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.17.4highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/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.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-943USCWE-943USCWE-943US

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 Discovery Studioall versionsfstec_bduRU
Microsoft Microsoft Discovery Studioall versionsfixedmsrc_csafUS
microsoft discovery studioall versionsnvdUScpe:2.3:a:microsoft:discovery_studio:*:*:*:*:*:*:*:*

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-2026-62906Microsoft Discovery Studio Information Disclosure 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:2026-14554 fstec_bdu

sources

Which sources assert this record, and when.

fstec_bdu cert_bund msrc_csaf nvd NVD CVE.org MITRE

published 2026-09-03modified 2026-09-03

references (1) nvd

External citations — patches, advisories, analysis.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62906

scry

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