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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (43.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Microsoft Azure Spring Apps — versions 1.0.0
- Microsoft Azure Spring Cloud
Weakness classification (CWE)
Public proof-of-concept exploits
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.