What is CVE-2026-50338?

CVE-2026-50338 is a high-severity vulnerability in Microsoft Azure Spring Apps, classified under Improper Authentication. CVSS score: 8.2/10. Published 2026-07-14.

How severe is CVE-2026-50338?

High severity. CVSS v3 base score is 8.2 out of 10.

Is CVE-2026-50338 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Microsoft Azure Spring Apps

CVE-2026-50338

Improper authentication in Azure Spring Apps allows an authorized attacker to elevate privileges over a network.

Vulnerability class: Broken Authentication

EPSS: 0.005 (41.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Microsoft Azure Spring Apps — versions 1.0.0
Microsoft Azure_spring_cloud

Weakness classification (CWE)

CWE-287 — Improper Authentication

Public proof-of-concept exploits

JohannesLks/CVE-2026-50338

References

Azure Spring Apps Elevation of Privilege Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-50338?: CVE-2026-50338 is a high-severity vulnerability in Microsoft Azure Spring Apps, classified under Improper Authentication. CVSS score: 8.2/10. Published 2026-07-14.
How severe is CVE-2026-50338?: High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2026-50338 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.