CVE-2026-21228 is a critical improper certificate validation vulnerability affecting Microsoft Azure Local, allowing an unauthenticated attacker to achieve remote code execution over a network. With a CVSS score of 8.1 (HIGH), this vulnerability has a high impact on confidentiality, integrity, and availability, but requires high attack complexity. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating high awareness. Organizations should prioritize patching due to the severe potential impact despite the lack of immediate exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2510.0.3002CPE matchmatch criteria | cpe:2.3:a:microsoft:azure_local:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.