What is CVE-2026-69519?

CVE-2026-69519 is a high-severity vulnerability in Microsoft Azure Stack Hci, classified under Observable Response Discrepancy. CVSS score: 8.6/10. Published 2026-08-20.

How severe is CVE-2026-69519?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Microsoft Azure Stack Hci

CVE-2026-69519

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

Published 2026-08-20 · last modified 2026-08-25.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.4th percentile), scored 2026-10-06.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.010 · change: +0.005

Affected products

Weakness classification (CWE)

CWE-204 — Observable Response Discrepancy

References

Azure Stack HCI Information Disclosure Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-69519?: CVE-2026-69519 is a high-severity vulnerability in Microsoft Azure Stack Hci, classified under Observable Response Discrepancy. CVSS score: 8.6/10. Published 2026-08-20.
How severe is CVE-2026-69519?: High severity. CVSS v3 base score is 8.6 out of 10.