How severe is CVE-2026-32174?

CVE-2026-32174 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-32174 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-32174?

CVE-2026-32174 affects Microsoft Azure Ai Bot Service. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-32174?

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-2026-32174 have an EU (EUVD) identifier?

Yes. CVE-2026-32174 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37945.

When was CVE-2026-32174 published?

CVE-2026-32174 was published on 2026-06-18 and last updated on 2026-06-24.

CVE-2026-32174

CVE-2026-32174 is a high-severity vulnerability in Microsoft Azure Ai Bot Service with a CVSS 3.x base score of 7.7. 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 7.7)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37945
Weakness: CWE-287
Affected product: Microsoft Azure Ai Bot Service
Published: 2026-06-18
Last modified: 2026-06-24

Description

Improper authentication in Azure Bot Service allows an authorized attacker to elevate privileges over a network.

Frequently asked questions

What is CVE-2026-32174?: Improper authentication in Azure Bot Service allows an authorized attacker to elevate privileges over a network.
How severe is CVE-2026-32174?: CVE-2026-32174 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-32174 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-32174?: CVE-2026-32174 affects Microsoft Azure Ai Bot Service. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-32174?: 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-2026-32174 have an EU (EUVD) identifier?: Yes. CVE-2026-32174 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37945.
When was CVE-2026-32174 published?: CVE-2026-32174 was published on 2026-06-18 and last updated on 2026-06-24.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32174

Affected products (1)

cpe:2.3:a:microsoft:azure_ai_bot_service:-:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Azure Ai Bot Service

CVE-2025-30392 — Critical (CVSS 9.8): Improper authorization in Azure Bot Framework SDK allows an unauthorized attacker to elevate privileges over a network.
CVE-2025-55244 — Critical (CVSS 9.0): Azure Bot Service Elevation of Privilege Vulnerability
CVE-2025-30389 — High (CVSS 8.7): Improper authorization in Azure Bot Framework SDK allows an unauthorized attacker to elevate privileges over a network.

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