Vulnerability · Published Aug 20, 2026 · Assigned by microsoft

CVE-2026-69555Azure Arc Elevation of Privilege Vulnerability

Critical 10.0

In plain English

A critical-severity incorrect authorization 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 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS 3.1)10.0Critical

Exploit odds (30 days)0.8%top 43.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Incorrect authorization in Azure Arc allows an unauthorized attacker to elevate privileges over a network.

Affected products (as reported)

Vendor	Product	Versions
Microsoft	Azure ARC	-

Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C

References

Azure Arc Elevation of Privilege Vulnerability vendor-advisory, patch