How severe is CVE-2026-23660?

CVE-2026-23660 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-2026-23660 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23660?

CVE-2026-23660 affects Microsoft Windows Admin Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-23660?

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-2026-23660 have an EU (EUVD) identifier?

Yes. CVE-2026-23660 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10581.

When was CVE-2026-23660 published?

CVE-2026-23660 was published on 2026-03-10 and last updated on 2026-06-17.

CVE-2026-23660

CVE-2026-23660 is a high-severity vulnerability in Microsoft Windows Admin Center 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10581
Weakness: CWE-284
Affected product: Microsoft Windows Admin Center
Published: 2026-03-10
Last modified: 2026-06-17

Description

Improper access control in Azure Portal Windows Admin Center allows an authorized attacker to elevate privileges locally.

Frequently asked questions

What is CVE-2026-23660?: Improper access control in Azure Portal Windows Admin Center allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-23660?: CVE-2026-23660 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-2026-23660 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23660?: CVE-2026-23660 affects Microsoft Windows Admin Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-23660?: 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-2026-23660 have an EU (EUVD) identifier?: Yes. CVE-2026-23660 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10581.
When was CVE-2026-23660 published?: CVE-2026-23660 was published on 2026-03-10 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23660

Affected products (1)

cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:azure:*:*

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