Vulnerability · Published Aug 20, 2026 · Assigned by microsoft
CVE-2026-65816Azure Arc Elevation of Privilege Vulnerability
Critical 10.0
In plain English
A critical-severity security flaw in Azure Web Apps from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)1.0%top 37.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Use of incorrectly-resolved name or reference in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure Web Apps | - |
Weakness: CWE-706 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/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