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CVE-2026-69519Critical

Azure Stack HCI Information Disclosure Vulnerability

MSRC advisory NVD CVE.org

Assessment

Observable response discrepancy in Azure Stack HCI allows an unauthorized attacker to disclose information over a network.

Severity
Critical
CVSS base score
8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N/E:P/RL:O/RC:C
Impact
Information Disclosure
EPSS, next 30 days
1.0%Higher than 62.2% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
Exploitability
Not assessed
Publicly disclosed
No
Customer action
Not required (service-side fix)
Component
Azure Stack HCI
Weakness
CWE-204: Observable Response Discrepancy
Issued by
Microsoft
Published
20 Aug 2026 · August 2026
Last revised
20 Aug 2026

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

Azure
1 affected product
  • Azure Stack HCI
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