Vulnerability in Microsoft Azure Local
CVE-2026-21228
Improper certificate validation in Azure Local allows an unauthorized attacker to execute code over a network.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000
Affected products
- Microsoft Azure Local — versions 1.0.0
- Microsoft Azure Local
Weakness classification (CWE)
References
- Azure Local Remote Code Execution Vulnerability (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-21228?
- CVE-2026-21228 is a high-severity vulnerability in Microsoft Azure Local, classified under Improper Certificate Validation. CVSS score: 8.1/10. Published 2026-02-10.
- How severe is CVE-2026-21228?
- High severity. CVSS v3 base score is 8.1 out of 10.