How severe is CVE-2026-26141?

CVE-2026-26141 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-26141 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26141?

CVE-2026-26141 affects Microsoft Azure Automation Hybrid Worker Windows Extension. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26141?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-26141 have an EU (EUVD) identifier?

Yes. CVE-2026-26141 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10700.

When was CVE-2026-26141 published?

CVE-2026-26141 was published on 2026-03-10 and last updated on 2026-06-17.

CVE-2026-26141

CVE-2026-26141 is a high-severity vulnerability in Microsoft Azure Automation Hybrid Worker Windows Extension with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10700
Weakness: CWE-863
Affected product: Microsoft Azure Automation Hybrid Worker Windows Extension
Published: 2026-03-10
Last modified: 2026-06-17

Description

Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.

Frequently asked questions

What is CVE-2026-26141?: Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-26141?: CVE-2026-26141 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-26141 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26141?: CVE-2026-26141 affects Microsoft Azure Automation Hybrid Worker Windows Extension. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26141?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-26141 have an EU (EUVD) identifier?: Yes. CVE-2026-26141 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10700.
When was CVE-2026-26141 published?: CVE-2026-26141 was published on 2026-03-10 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26141

Affected products (1)

cpe:2.3:a:microsoft:azure_automation_hybrid_worker_windows_extension:*:*:*:*:*:*:*:*

Other CWE-863 (Incorrect Authorization) vulnerabilities

CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →