CVE-2026-48567

criticalpriority · track · 39EPSS 0.010 · 64 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.03% (64th) EPSS

CVSS 9.8 · critical

Is it mine?

13 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Authentication bypass by spoofing in Azure HorizonDB allows an unauthorized attacker to elevate privileges over a network.

cvss

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

10.0

010

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

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

v3.110criticalAV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:Hsecondary · secure@microsoft.com USexploitability 3.9 · impact 5.8

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)

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H/E:U/RL:O/RC:Csecondary · NCSC-NL NL

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H/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-290USCWE-290USCWE-290USCWE-290US

affected products (13)

Products and version ranges known to be affected.

Microsoft 365 Copilot 365 Copilot's Business Chatall versionscert_bundDEcpe:/a:microsoft:365_copilot:-
Microsoft Azure HorizonDBall versionscert_bundDEcpe:/a:microsoft:azure:horizondb
Microsoft Edge Copilot Chatall versionscert_bundDEcpe:/a:microsoft:edge:copilot_chat
Microsoft Exchange Onlineall versionscert_bundDEcpe:/a:microsoft:exchange:online
Microsoft Azure HorizonDBall versionsenisa_euvdEU
Microsoft Corp Azure HorizonDBall versionsfstec_bduRU
Microsoft Azure HorizonDBall versionsfixedmsrc_csafUS
Microsoft Azure≤ vers:unknown/*ncsc_nlNL
Microsoft Azure HorizonDB≤ vers:unknown/*ncsc_nlNL
Microsoft Azure Kubernetes Service≤ vers:unknown/*ncsc_nlNL
Microsoft Azure Stack Edge≤ vers:unknown/*ncsc_nlNL
Microsoft Microsoft Graph≤ vers:unknown/*ncsc_nlNL
microsoft azure horizondball versionsnvdUScpe:2.3:a:microsoft:azure_horizondb:*:*:*:*:*:*:*:*

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2026-0183Kwetsbaarheden verholpen in Microsoft AzureNL2026-06-09csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in diverse Azure componenten.
WID-SEC-W-2026-1792Microsoft Clouddienste: Mehrere Schwachstellen ermöglichen PrivilegieneskalationDeutsch2026-06-04csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in verschiedenen Microsoft Clouddiensten wie Azure HorizonDB, Exchange Online, 365 Copilot und dem Copilot Chat in Edge ausnutzen, um seine Privilegien zu erweitern, um beliebigen Code auszuführen und um Informationen offenzulegen.
msrc_CVE-2026-48567Azure HorizonDB Elevation of Privilege Vulnerability2026-06-04csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf ncsc_nl nvd NVD CVE.org MITRE

published 2026-06-04modified 2026-07-23

references (3)

External citations — patches, advisories, analysis.

scry

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