What is CVE-2026-26148?

CVE-2026-26148 is a high-severity vulnerability in Microsoft Azure Ad SSH Login Extension For Linux, classified under CWE-454. CVSS score: 8.1/10. Published 2026-03-10.

How severe is CVE-2026-26148?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Microsoft Azure Ad SSH Login Extension For Linux

CVE-2026-26148

External initialization of trusted variables or data stores in Azure Entra ID allows an unauthorized attacker to elevate privileges locally.

Published 2026-03-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.003 · change: -0.001

Affected products

Microsoft Azure Ad SSH Login Extension For Linux
Microsoft Azure Ad SSH Login Extension For Linux — versions 1.0.0

Weakness classification (CWE)

CWE-454

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26148 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-26148?: CVE-2026-26148 is a high-severity vulnerability in Microsoft Azure Ad SSH Login Extension For Linux, classified under CWE-454. CVSS score: 8.1/10. Published 2026-03-10.
How severe is CVE-2026-26148?: High severity. CVSS v3 base score is 8.1 out of 10.