CVE-2026-69519: CWE-204: Observable Response Discrepancy in Microsoft Azure Stack HCI
Description
Observable response discrepancy in Azure Stack HCI allows an unauthorized attacker to disclose information over a network.
CVSS v3.1
Score 8.6high
Affected software
Microsoft
Azure Stack HCI
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-204 (Observable Response Discrepancy), exists in Microsoft Azure Stack HCI and enables an unauthorized attacker to gain information disclosure through network interactions. The CVSS 3.1 vector indicates it is remotely exploitable without privileges or user interaction, with a high impact on confidentiality but no impact on integrity or availability. Microsoft has issued an official fix for this vulnerability and manages remediation for this cloud service.
Potential Impact
An attacker can remotely exploit this vulnerability to disclose sensitive information from Azure Stack HCI without needing authentication or user interaction. The confidentiality impact is high, but integrity and availability are unaffected. This could aid attackers in further attacks or reconnaissance.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Since Azure Stack HCI is a cloud service, Microsoft manages the remediation server-side. Users should consult the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69519 for details and ensure their Azure Stack HCI instances are updated accordingly.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T21:09:40.781Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69519","vendor":"Microsoft"}]
Threat ID: 6a87778cacd9273b492c5eea
Added to database: 08/20/2026, 21:54:20 UTC
Last enriched: 09/29/2026, 03:02:45 UTC
Last updated: 10/05/2026, 06:48:18 UTC
Views: 71
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