CVE-2026-56160Network attack vector

Authenticated privilege escalation

Published Jul 23, 2026 · Updated Jul 24, 2026

Improper authorization in Microsoft Azure Red Hat OpenShift allows remote authenticated users to elevate privileges over a network. Microsoft has not disclosed the affected service component or the authorization check that incorrectly permits the operation. The gate is high existing privileges with no user interaction, after which the attacker gains privileges beyond the original security boundary.

CVSS severity9.1
Critical
EPSS probability0.58%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in Microsoft Azure Red Hat OpenShift allows remote authenticated users to elevate privileges over a network. Microsoft has not disclosed the affected service component or the authorization check that incorrectly permits the operation. The gate is high existing privileges with no user interaction, after which the attacker gains privileges beyond the original security boundary.

The record

CVE
CVE-2026-56160
Published
Jul 23, 2026
Updated
Jul 24, 2026
Vendor
Microsoft
Product
Azure Red Hat OpenShift
Classifications
CWE-285
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 24, 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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=-

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Microsoft · Azure Red Hat OpenShiftversion=-

Published CVSS scores

9.9NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
9.1Microsoft CorporationCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-285Improper Authorization

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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