How severe is CVE-2026-20965?

CVE-2026-20965 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-20965 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-20965?

CVE-2026-20965 affects Microsoft Windows Admin Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-20965?

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-2026-20965 have an EU (EUVD) identifier?

Yes. CVE-2026-20965 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2105.

When was CVE-2026-20965 published?

CVE-2026-20965 was published on 2026-01-13 and last updated on 2026-06-17.

CVE-2026-20965

CVE-2026-20965 is a high-severity vulnerability in Microsoft Windows Admin Center with a CVSS 3.x base score of 7.5. 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-347.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2105
Weakness: CWE-347
Affected product: Microsoft Windows Admin Center
Published: 2026-01-13
Last modified: 2026-06-17

Description

Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.

Frequently asked questions

What is CVE-2026-20965?: Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-20965?: CVE-2026-20965 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-20965 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-20965?: CVE-2026-20965 affects Microsoft Windows Admin Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-20965?: 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-2026-20965 have an EU (EUVD) identifier?: Yes. CVE-2026-20965 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2105.
When was CVE-2026-20965 published?: CVE-2026-20965 was published on 2026-01-13 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20965

Affected products (1)

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

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