CVE-2026-21224

highpriority · track · 0EPSS 0.003 · 25 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.32% (25th) EPSS

CVSS 7.8 · high

Is it mine?

22 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Stack-based buffer overflow in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedAzure Connected Machine Agentmsrc_csaf
1.60.03293.2680:Windows Update:https://learn.microsoft.com/en-us/azure/azure-arc/servers/agent-release-notes
https://learn.microsoft.com/en-us/azure/azure-arc/servers/agent-release-notes

cvss

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

7.8

010

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

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · NCSC-NL NL

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-121USCWE-121USCWE-121USCWE-121US

affected products (22)

Products and version ranges known to be affected.

Microsoft Azure Connected Machine Agentall versionscert_bundDEcpe:/a:microsoft:azure:connected_machine_agent
Microsoft Azure Core shared client library for Pythonall versionscert_bundDEcpe:/a:microsoft:azure:core_shared_client_library_for_python
Microsoft Windows Admin Center in Azure Portalall versionscert_bundDEcpe:/a:microsoft:windows_admin_center:1910
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Splunk Splunk Enterprise <10.0.5all versionscert_bundDE
Splunk Splunk Enterprise <10.2.2all versionscert_bundDE
Splunk Splunk Enterprise <9.3.11all versionscert_bundDE
Splunk Splunk Enterprise <9.4.10all versionscert_bundDE
Splunk Splunk Enterprise< 10.0.5cert_bundDE
Splunk Splunk Enterprise< 10.2.2cert_bundDE
Splunk Splunk Enterprise< 9.3.11cert_bundDE
Splunk Splunk Enterprise< 9.4.10cert_bundDE
Microsoft Azure Connected Machine Agent1.0.0 → 1.60.03293.2680enisa_euvdEU
Microsoft Corp Azure Connected Machine Agent≤ 1.60.03293.809fstec_bduRU
Microsoft Corp Azure Connected Machine Agent≤ 1.60.03293.2680fstec_bduRU
Microsoft Azure Connected Machine Agentall versionsfixedmsrc_csafUS
Microsoft Azure Connected Machine Agent< 1.60.03293.809msrc_csafUS
Microsoft Azure Connected Machine Agent≤ vers:unknown/*ncsc_nlNL
Microsoft Azure Core shared client library for Python≤ vers:unknown/*ncsc_nlNL

showing 20 of 22

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2026-0009Kwetsbaarheden verholpen in Microsoft AzureNL2026-01-13csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in diverse Azure-componenten.
WID-SEC-W-2026-0080Microsoft Azure: Mehrere SchwachstellenDeutsch2026-01-13csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Azure und Microsoft Windows Admin Center ausnutzen, um seine Privilegien zu erhöhen, und um beliebigen Programmcode auszuführen.
msrc_CVE-2026-21224Azure Connected Machine Agent Elevation of Privilege Vulnerability2026-01-13csaf · 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 CVE.org MITRE

published 2026-01-13modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan