CVE-2026-26124

Local privilege escalation via path traversal

Published Mar 5, 2026 · Updated Mar 5, 2026

Path traversal in Confidential containers on Azure Container Instances allows local users with high privileges to elevate their privileges. Azure Compute Gallery accepts the noncanonical '.../...//' traversal sequence, but Microsoft has not disclosed the affected operation or target path. Exploitation requires local access and high privileges and can compromise confidentiality, integrity, and availability within the hosted service.

CVSS severity6.7
Medium
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in Confidential containers on Azure Container Instances allows local users with high privileges to elevate their privileges. Azure Compute Gallery accepts the noncanonical '.../...//' traversal sequence, but Microsoft has not disclosed the affected operation or target path. Exploitation requires local access and high privileges and can compromise confidentiality, integrity, and availability within the hosted service.

The record

CVE
CVE-2026-26124
Published
Mar 5, 2026
Updated
Mar 5, 2026
Vendor
Microsoft
Product
Confidential containers on Azure Container Instances
Classifications
CWE-22, CWE-35, T1068
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Mar 5, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=-

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Microsoft · Confidential containers on Azure Container Instancesversion=-

Published CVSS scores

6.7Microsoft CorporationCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-35Path Traversal: '.../...//'
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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