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Vulnerabilities

Vulnerability · CVE-2026-21224

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

Published Jan 13, 2026 · catalog updated Jul 30, 2026 · Microsoft Azure Connected Machine Agent

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-21224. EPSS is 0.32%. Act only if a listed version of Microsoft Azure Connected Machine Agent is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.32%
Remediation
Version ranges on file
Affected products
vendor Microsoft Azure Connected Machine Agent 1.0.0 <1.60.03293.2680

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Microsoft Azure Connected Machine Agent 1.0.0 <1.60.03293.26801.0.0 <1.60.03293.2680

How to fix CVE-2026-21224

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-21224. EPSS is 0.32%. Act only if a listed version of Microsoft Azure Connected Machine Agent is installed.

Which versions are affected?

Compare what you have installed with Microsoft Azure Connected Machine Agent 1.0.0 <1.60.03293.2680 1.0.0 <1.60.03293.2680. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.32%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 13, 2026 · EUVD

    Detected

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

  2. Jul 30, 2026 · EUVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2026-21224

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-21224

    30-day exploitation probability 0.32%

    first.org
  • EUVDVulnerability recordEUVD-2026-2110

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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 4, 2026
  • CVE.orgOct 29, 2026
  • EUVDOct 29, 2026