CVE-2025-21188

mediumpriority · track · 0EPSS 0.007 · 53 %ileDEEUNLRUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.70% (53rd) EPSS

CVSS 6 · medium

Is it mine?

7 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-24

Azure Network Watcher VM Extension Elevation of Privilege Vulnerability

remediations

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

A vendor fix is available.

FixedAzure Network Watcher VM Extensionmsrc_csaf
1.4.3563.1:Security Update:https://learn.microsoft.com/en-us/azure/network-watcher/network-watcher-agent-update?tabs=windows
https://learn.microsoft.com/en-us/azure/network-watcher/network-watcher-agent-update?tabs=windows

cvss

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

6.0

010

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

v3.16mediumAV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.16mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.16mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Hsecondary · secure@microsoft.com USexploitability 0.8 · impact 5.2

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.16mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/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: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-59USCWE-59USCWE-59USCWE-59US

affected products (7)

Products and version ranges known to be affected.

Microsoft Azure Network Watcher VM Extensionall versionscert_bundDEcpe:/a:microsoft:azure:network_watcher_vm_extension
Microsoft Azure Network Watcher VM Extension1.0.0.0 → 1.4.3563.1enisa_euvdEU
Microsoft Corp Azure Network Watcher VM Extensionall versionsfstec_bduRU
Azure Network Watcher VM Extensionall versionsfixedmsrc_csafUS
Azure Network Watcher VM Extension< 1.4.3563.1msrc_csafUS
microsoft azure network watcherall versionsncsc_nlNLcpe:2.3:a:microsoft:azure_network_watcher:*:*:*:*:*:*:*:*
microsoft azure network watcher< 1.4.3563.1nvdUScpe:2.3:a:microsoft:azure_network_watcher:*:*:*:*:*:*:*:*

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2025-0048Kwetsbaarheden verholpen in Microsoft AzureNL2025-02-11csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in Azure Network Watcher en de HPC Linux Node Agent.
WID-SEC-W-2025-0334Microsoft Azure (Network Watcher und HPC Pack): Mehrere SchwachstellenDeutsch2025-02-11csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Azure ausnutzen, um seine Privilegien zu erhöhen und beliebigen Code auszuführen.
msrc_CVE-2025-21188Azure Network Watcher VM Extension Elevation of Privilege Vulnerability2025-02-11csaf · 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 2025-02-11modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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