Vulnerability · Published Feb 10, 2026 · Assigned by microsoft
CVE-2026-21522Microsoft ACI Confidential Containers Elevation of Privilege Vulnerability
Medium 6.7
In plain English
A medium-severity command injection in Microsoft ACI Confidential Containers from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.4%top 61.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper neutralization of special elements used in a command ('command injection') in Azure Compute Gallery allows an authorized attacker to elevate privileges locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft ACI Confidential Containers | 1.0.0 – before 1.2.8 |
Weakness: CWE-77 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
References
- Microsoft ACI Confidential Containers Elevation of Privilege Vulnerability vendor-advisory, patch