Vulnerability · Published Sep 17, 2026 · Assigned by microsoft

CVE-2026-70009Azure Arc Elevation of Privilege Vulnerability

Critical 9.3

In plain English

A critical-severity path traversal 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 0.5% (higher than 45% of all known vulnerabilities).

Severity (CVSS 3.1)9.3Critical

Exploit odds (30 days)0.5%top 54.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Improper limitation of a pathname to a restricted directory ('path traversal') 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-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N/E:U/RL:O/RC:C

References

Azure Arc Elevation of Privilege Vulnerability vendor-advisory, patch