May 2026 Patch TuesdayMSRC-2026-05-azure-release-notesNormal patch window

Microsoft · MSRC-2026-05-azure-release-notes

Linked CVE review

Deploy Microsoft Azure update for Azure SDK for Java

Linked CVEs
1
Confirmed exploited
0
PoC or lab evidence
0
Maximum CVSS
9.1
Evidence is kept separate

Confirmed exploitation, public exploit material, EPSS probability and CVSS severity answer different questions. “No confirmation recorded” means the checked sources do not currently confirm exploitation. It is not proof that exploitation has not occurred.

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1 of 1 linked CVEs shown
Confirmed exploitedCVSS above 9.0
CVE and descriptionSeverityExploit realityForecast and accessRemediation
CVE-2026-33117 Critical technical severity
Azure SDK for Java Security Feature Bypass Vulnerability

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 address

9.1 · CVSS 3.1 · CriticalSource: CNANo confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.EPSS: 0.50% · 40.6th percentileForecast date: 2026-10-08NETWORK · LOW complexity · NONE privileges · NONE user interactionWithin 72 hoursCritical technical impact with a remotely reachable, unauthenticated path; no CISA KEV confirmation is currently recorded.Patch available. 4.10.6.