Azure Local Disconnected Operations Critical Privilege Escalation (CVE-2026-42822)
A critical vulnerability, CVE-2026-42822, has been identified in Azure Local Disconnected Operations, allowing unauthorized attackers to achieve privilege escalation over a network. The National Vulnerability Database has assigned this flaw a CVSSv3.1 score of 10.0, categorizing it as critical.
The vulnerability stems from improper authentication (CWE-287), enabling an attacker to bypass security measures and gain elevated access without prior authentication. The attack vector is network-based, meaning adversaries can exploit this remotely without requiring local access or user interaction. This presents a severe risk, as compromise could lead to full system control, data exfiltration, or further lateral movement within an affected environment.
While specific affected products were not detailed by the National Vulnerability Database, the broad nature of “Azure Local Disconnected Operations” suggests a potentially wide impact across environments leveraging this functionality. Defenders must assume this affects their Azure deployments until proven otherwise. The immediate concern is the ability for unauthenticated network attackers to achieve maximum impact (confidentiality, integrity, availability) with low complexity.
What This Means For You
- If your organization utilizes Azure Local Disconnected Operations, you are directly exposed to a critical, unauthenticated privilege escalation risk. This isn't theoretical – it's a direct path to compromise. Identify all instances where this functionality is deployed. Prioritize patching or implementing compensating controls immediately, as a CVSS 10.0 with a network vector means attackers will be looking to exploit this aggressively.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
Azure Local Disconnected Operations Privilege Escalation Attempt (CVE-2026-42822)
title: Azure Local Disconnected Operations Privilege Escalation Attempt (CVE-2026-42822)
id: scw-2026-05-18-ai-1
status: experimental
level: critical
description: |
Detects attempts to exploit CVE-2026-42822 by targeting the specific '/api/operations/local/disconnected' endpoint via a POST request, which is indicative of an unauthorized privilege escalation attempt in Azure Local Disconnected Operations.
author: SCW Feed Engine (AI-generated)
date: 2026-05-18
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-42822/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/api/operations/local/disconnected'
cs-method:
- 'POST'
sc-status:
- '200'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-42822 | Privilege Escalation | Azure Local Disconnected Operations |
| CVE-2026-42822 | Auth Bypass | Improper authentication |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 18, 2026 at 21:17 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
Believe this infringes your rights? Submit a takedown request.
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