Published May 18, 2026Sources checked Nov 11, 2026
10.0CRITICALCVSS out of 10
What this means
Review the available evidence
CVE-2026-42822 and is rated Critical severity with a CVSS score of 10.0. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
What to do next
Remediation and response
Microsoft Security Response Center guidance
Vendor revision: May 18, 2026
Release Notes
Vendor-listed releases
2604.2.25645
CISA KEVNot listedBased on the latest collected catalog
EPSS0.5%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2026-42822?
Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges over a network.