AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-69399

Microsoft Azure ARC: privilege escalation

Microsoft

CVE-2026-69399 · Published Sep 17, 2026 · updated Oct 31, 2026

Critical9.9
No fix yet
Microsoft advisory

Unintended proxy or intermediary in Azure Arc allows an authorized attacker to elevate privileges over a network.

Affected versions

PackageAffectedFixed in
Azure ARC
Product
all versionsNo fix yet

Changes since it was listed

SummaryNov 3Summary: Azure Arc Elevation of Privilege Vulnerability to Unintended proxy or intermediary in Azure Arc allows an authorized attacker to elevate privileges over a network.
CVSS scoreNov 3CVSS score: 10 to 9.9
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-441

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