Vulnerability · Published Sep 17, 2026 · Assigned by microsoft

CVE-2026-69399Azure Arc Elevation of Privilege Vulnerability

Critical 9.9

In plain English

A critical-severity security flaw in Azure ARC from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).

Severity (CVSS 3.1)9.9Critical

Exploit odds (30 days)0.6%top 51.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

Vendor	Product	Versions
Microsoft	Azure ARC	-

Weakness: CWE-441 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

References

Azure Arc Elevation of Privilege Vulnerability vendor-advisory, patch