CVE-2026-33117CWE-287CWE-347

Azure SDK for Java Security Feature Bypass Vulnerability

Critical · published May 12, 2026

CVSS v3.1
9.1
EPSS
0%
Percentile
41.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
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
CVSS v4.0
Not supplied
EPSS
0.00496 · 41.7th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-347 · Improper Verification of Cryptographic Signature
Published
2026-05-12T16:58Z
EPSS history
Timeline
  • 12 MAY 16:58Z
    Azure SDK for Java Security Feature Bypass Vulnerability
    cvelistv5