CVE-2026-33117

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.

CVSS 3.1

9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS

0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-26)

CWEs

CWE-287, CWE-347

Published

2026-05-12

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• microsoft:azure_sdk_for_java

Packages (OSV)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33117

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