CVE-2026-33117

Azure SDK for Java Security Feature Bypass Vulnerability

Published May 12, 2026 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-97jf-46m3-8953 Security feature bypass vulnerability in Azure Key Vault Keys library for Java
History
Type Values Removed Values Added
Description Improper authentication in Azure SDK allows an unauthorized attacker to bypass a security feature over a network. 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.
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper authentication in Azure SDK allows an unauthorized attacker to bypass a security feature over a network.
Title Azure SDK for Java Security Feature Bypass Vulnerability
First Time appeared Microsoft
Microsoft azure Sdk For Java
Weaknesses CWE-287
CWE-347
CPEs cpe:2.3:a:microsoft:azure_sdk_for_java:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft azure Sdk For Java
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Aug 10, 2026, 3:12 PM
Reserved
Mar 17, 2026, 8:15 PM
Status
Modified
Published
May 12, 2026, 6:17 PM
Modified
Oct 26, 2026, 6:10 PM