CVE-2025-55316

highpriority · track · 0EPSS 0.004 · 30 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.37% (30th) EPSS

CVSS 7.8 · high

Is it mine?

12 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

External control of file name or path in Azure Arc 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
1.56:Security 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 · 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-73USCWE-73USCWE-73USCWE-73US

affected products (12)

Products and version ranges known to be affected.

Microsoft Azure Bot Serviceall versionscert_bundDEcpe:/a:microsoft:azure:bot_service
Microsoft Azure Connected Machine Agentall versionscert_bundDEcpe:/a:microsoft:azure:connected_machine_agent
Microsoft Azure Networkingall versionscert_bundDEcpe:/a:microsoft:azure:networking
Microsoft Entra IDall versionscert_bundDEcpe:/a:microsoft:entra:id
Microsoft High Performance Compute Pack 2019all versionscert_bundDEcpe:/a:microsoft:high_performance_compute_pack:2019
Microsoft Azure Connected Machine Agent1.0.0 → 1.56enisa_euvdEU
Microsoft Corp Azure Connected Machine Agent≤ 1.56fstec_bduRU
Microsoft Azure Connected Machine Agentall versionsfixedmsrc_csafUS
Microsoft Azure Connected Machine Agent< 1.56msrc_csafUS
Microsoft Azure Connected Machine Agent≤ vers:unknown/*ncsc_nlNL
Microsoft Microsoft HPC Pack 2019≤ vers:unknown/*ncsc_nlNL
microsoft azure connected machine agent< 1.56nvdUScpe:2.3:a:microsoft:azure_connected_machine_agent:*:*:*:*:*:*:*:*

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2025-0279Kwetsbaarheden verholpen in Microsoft AzureNL2025-09-09csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in Azure componenten.
WID-SEC-W-2025-2004Microsoft Azure und Microsoft Entra: Mehrere SchwachstellenDeutsch2025-09-09csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Azure und Microsoft Entra ausnutzen, um seine Privilegien zu erhöhen, und um beliebigen Programmcode auszuführen.
msrc_CVE-2025-55316Azure Connected Machine Agent Elevation of Privilege Vulnerability2025-09-09csaf · 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 2025-09-09modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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