← Vulnerability feed

Vulnerability record · CVE-2026-26147 · published 22 May 2026

CVE-2026-26147: Microsoft azure stack hci improper input validation vulnerability

Microsoft · Azure Stack Hci

Improper input validation in Azure Compute Gallery allows an authorized attacker to disclose information over a network.

7.7 CVSS 3.1 High EPSS 1.0% · top 37.3% CWE-20 · Improper input validation
7.7CVSS 3.1 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
23 Jul 2026Last modified by NVD

Description

Improper input validation in Azure Compute Gallery allows an authorized attacker to disclose information over a network.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26147 Vendor Advisory

Track CVE-2026-26147 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2024-49060Microsoft azure stack hci hard-coded credentials vulnerabilityAzure Stack HCI Elevation of Privilege VulnerabilityEPSS 0.37%8.8CVE-2024-38179Microsoft azure stack hci missing authorization vulnerabilityAzure Stack Hyperconverged Infrastructure (HCI) Elevation of Privilege VulnerabilityEPSS 0.44%8.6CVE-2026-69519Microsoft azure stack hci vulnerabilityObservable response discrepancy in Azure Stack HCI allows an unauthorized attacker to disclose information over a network.EPSS 1.0%9.5CVE-2026-88771Citrix NetScaler Improper Input Validation VulnerabilityImproper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-…KEV9.5CVE-2026-93952Arista velocloud orchestrator improper input validation vulnerabilityVeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality an…KEVEPSS 0.90%8.8CVE-2019-1068Microsoft SQL Server improper input validation remote code executionMicrosoft SQL Server mishandles processing of internal functions, allowing an authenticated remote attacker to execute code on the database server. T…KEVEPSS 58%analysed5.9CVE-2025-68686FortiOS symbolic link patch bypass exposes sensitive informationFortiOS contains an information exposure flaw (CWE-200) that lets a remote unauthenticated attacker bypass the patch for the symbolic link persistenc…KEVEPSS 30%analysed9.3CVE-2026-12569PTC Windchill PDMlink and FlexPLM deserialization RCEPTC Windchill PDMlink and FlexPLM contain a deserialization of untrusted data flaw (also classified as improper input validation) that allows remote …KEVEPSS 46%analysed

Source: NIST National Vulnerability Database (record CVE-2026-26147), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.