CVE-2026-69519: Observable response discrepancy in Azure Stack HCI allows an unauthorized attacker to disclose information ove

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HIGH 8.6REMOTEWATCHLISTMITIGATE

CVE-2026-69519 is a high-severity flaw (CVSS 8.6) affecting azure stack hci. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-204
Published	2026-08-20
Last modified	2026-10-18

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-10-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-20 22:18 UTCPublished CVE record published
2026-10-18 20:10 UTCUpdated Record last modified

microsoft azure stack hci MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy azure-stack-hci || rpm -q azure-stack-hci || azure-stack-hci --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · gcl · FIXED · 2.7.1-12.fc46 · FEDORA-2026-ff383a759b · source

sudo dnf upgrade --advisory=FEDORA-2026-ff383a759b

Fedora ELN · mozjs140 · FIXED · 140.13.0-5.eln159 · FEDORA-2026-f7ed0026e0 · source

sudo dnf upgrade --advisory=FEDORA-2026-f7ed0026e0

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-69519?

azure stack hci: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-69519 being exploited?

CVE-2026-69519 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-69519 affect?

CVE-2026-69519 affects azure stack hci. Severity is high (CVSS 8.6). Observable response discrepancy in Azure Stack HCI allows an unauthorized attacker to disclose information over a network.

How urgent is CVE-2026-69519?

Priority 56/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Azure vulnerabilities

References

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