How severe is CVE-2026-26119?

CVE-2026-26119 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-26119 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26119?

CVE-2026-26119 affects Microsoft Windows Admin Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26119?

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-2026-26119 have an EU (EUVD) identifier?

Yes. CVE-2026-26119 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7587.

When was CVE-2026-26119 published?

CVE-2026-26119 was published on 2026-02-17 and last updated on 2026-06-17.

CVE-2026-26119

CVE-2026-26119 is a high-severity vulnerability in Microsoft Windows Admin Center with a CVSS 3.x base score of 8.8. 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7587
Weakness: CWE-287
Affected product: Microsoft Windows Admin Center
Published: 2026-02-17
Last modified: 2026-06-17

Description

Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges over a network.

Frequently asked questions

What is CVE-2026-26119?: Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
How severe is CVE-2026-26119?: CVE-2026-26119 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-26119 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26119?: CVE-2026-26119 affects Microsoft Windows Admin Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26119?: 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-2026-26119 have an EU (EUVD) identifier?: Yes. CVE-2026-26119 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7587.
When was CVE-2026-26119 published?: CVE-2026-26119 was published on 2026-02-17 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26119

Affected products (1)

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

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