How severe is CVE-2022-23256?

CVE-2022-23256 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2022-23256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23256?

CVE-2022-23256 affects Microsoft Azure Data Explorer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-23256?

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.

When was CVE-2022-23256 published?

CVE-2022-23256 was published on 2022-02-09 and last updated on 2026-06-17.

CVE-2022-23256

CVE-2022-23256 is a high-severity vulnerability in Microsoft Azure Data Explorer with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Azure Data Explorer
Published: 2022-02-09
Last modified: 2026-06-17

Description

Azure Data Explorer Spoofing Vulnerability

Frequently asked questions

What is CVE-2022-23256?: Azure Data Explorer Spoofing Vulnerability
How severe is CVE-2022-23256?: CVE-2022-23256 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2022-23256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23256?: CVE-2022-23256 affects Microsoft Azure Data Explorer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-23256?: 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.
When was CVE-2022-23256 published?: CVE-2022-23256 was published on 2022-02-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:azure_data_explorer:-:*:*:*:*:*:*:*

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