CVE-2022-23256Network attack vector

User code execution via crafted URL

Published Feb 9, 2022 · Updated Jan 2, 2025

Spoofing in Microsoft Azure Data Explorer version N/A allows remote attackers to execute code via a crafted URL after a user click. Kusto.Explorer processes specially crafted URLs without safely constraining their actions, enabling code execution in the user's context. Exploitation requires a victim to click the attacker-supplied link; Microsoft reported no exploitation in the wild and no availability impact.

CVSS severity8.1
High
EPSS probability1.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Spoofing in Microsoft Azure Data Explorer version N/A allows remote attackers to execute code via a crafted URL after a user click. Kusto.Explorer processes specially crafted URLs without safely constraining their actions, enabling code execution in the user's context. Exploitation requires a victim to click the attacker-supplied link; Microsoft reported no exploitation in the wild and no availability impact.

The record

CVE
CVE-2022-23256
Published
Feb 9, 2022
Updated
Jan 2, 2025
Vendor
Microsoft
Product
Azure Data Explorer
Classifications
T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 9, 2022CVE publishedPublication date reported by the CVE source.
  2. Jan 2, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=N/A

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Azure Data Explorerversion=N/A

Published CVSS scores

8.1MicrosoftCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
7.1MicrosoftCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
4.3NVDAV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1204.001Malicious Link

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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