CVE-2026-33117
Security feature bypass vulnerability in Azure Key Vault Keys library for Java
9.1
CRITICAL
CVSS 3.1
EPSS 0.03%
Description
The Java Key Vault Keys library in the Azure SDK for Java contains an issue in the local cryptographic verification path where authentication tag comparison was implemented incorrectly. In affected applications that use the vulnerable local cryptography path, specially crafted encrypted input may bypass integrity verification checks. Operations delegated to the Key Vault service are not affected. The issue is addressed in version 4.10.6.
How to fix CVE-2026-33117
To remediate CVE-2026-33117, upgrade the affected package to a fixed version below.
- —upgrade to 4.10.6 or later
Is CVE-2026-33117 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.10.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |