CVE-2026-62836 | BDVDB-2026-355993 Detail

MicrosoftAzure SQL Managed Instance

Description#

Improper restriction of communication channel to intended endpoints in Azure SQL Managed Instance allows an unauthorized attacker to elevate privileges over a network.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

CWE-923 Improper Restriction of Communication Channel to Intended Endpoints

References#

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62836

Exploit#

No public exploit known

History#

Version 12026-08-06Record published in the CVE List.
Version 22026-10-30Most recent update recorded in the CVE List.

Published

Published: 2026-08-06
Last modified: 2026-10-30

Vendor information

Vendor: Microsoft
Product: Azure SQL Managed Instance

All Microsoft vulnerabilities

Score

8.7 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 51.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.7 High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).