How severe is CVE-2022-23256?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Microsoft Azure Data Explorer

CVE-2022-23256

Azure Data Explorer Spoofing Vulnerability

Published 2022-02-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.016 (74.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2022-23256 (vendor-advisory)
af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-23256?: CVE-2022-23256 is a high-severity vulnerability in Microsoft Azure Data Explorer. CVSS score: 8.1/10. Published 2022-02-09.
How severe is CVE-2022-23256?: High severity. CVSS v3 base score is 8.1 out of 10.