CVE-2026-62836: CWE-923: Improper Restriction of Communication Channel to Intended Endpoints in Microsoft Azure SQL Managed Instance
CVE-2026-62836 is a high-severity vulnerability in Microsoft Azure SQL Managed Instance involving improper restriction of communication channels to intended endpoints. This flaw allows an unauthorized attacker to elevate privileges over a network. The vulnerability is classified under CWE-923. Microsoft has issued an official fix for this cloud service vulnerability.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-62836) in Azure SQL Managed Instance arises from improper restriction of communication channels to intended endpoints, enabling unauthorized network-based privilege escalation. It is categorized as CWE-923. The CVSS 3.1 score is 8.7 (high severity) with network attack vector, high attack complexity, no privileges required, no user interaction, and impacts confidentiality and integrity with scope change. Microsoft manages remediation for this cloud-hosted service and has released an official fix as per their advisory.
Potential Impact
An attacker who exploits this vulnerability can elevate privileges over the network, potentially gaining unauthorized access to sensitive data or control within the Azure SQL Managed Instance environment. The impact affects confidentiality and integrity but not availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability and manages remediation for the Azure SQL Managed Instance cloud service. Users should follow the guidance in the Microsoft security update guide to ensure their instances are protected. Patch status is confirmed as fixed by the vendor advisory.
CVE-2026-62836: CWE-923: Improper Restriction of Communication Channel to Intended Endpoints in Microsoft Azure SQL Managed Instance
Description
CVE-2026-62836 is a high-severity vulnerability in Microsoft Azure SQL Managed Instance involving improper restriction of communication channels to intended endpoints. This flaw allows an unauthorized attacker to elevate privileges over a network. The vulnerability is classified under CWE-923. Microsoft has issued an official fix for this cloud service vulnerability.
CVSS v3.1
Score 8.7high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-62836) in Azure SQL Managed Instance arises from improper restriction of communication channels to intended endpoints, enabling unauthorized network-based privilege escalation. It is categorized as CWE-923. The CVSS 3.1 score is 8.7 (high severity) with network attack vector, high attack complexity, no privileges required, no user interaction, and impacts confidentiality and integrity with scope change. Microsoft manages remediation for this cloud-hosted service and has released an official fix as per their advisory.
Potential Impact
An attacker who exploits this vulnerability can elevate privileges over the network, potentially gaining unauthorized access to sensitive data or control within the Azure SQL Managed Instance environment. The impact affects confidentiality and integrity but not availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability and manages remediation for the Azure SQL Managed Instance cloud service. Users should follow the guidance in the Microsoft security update guide to ensure their instances are protected. Patch status is confirmed as fixed by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T21:10:38.083Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62836","vendor":"Microsoft"}]
Threat ID: 6a752657bf8831d539809a56
Added to database: 08/07/2026, 00:27:03 UTC
Last enriched: 08/07/2026, 00:42:12 UTC
Last updated: 08/07/2026, 01:32:09 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.