CVE-2025-49752: Microsoft azure bastion developer authentication bypass by capture-replay vulnerability

Microsoft · Azure Bastion Developer

Azure Bastion Elevation of Privilege Vulnerability

10.0 CVSS 3.1 Critical EPSS 0.91% · top 41.6% CWE-294 · Authentication bypass by capture-replay

10.0CVSS 3.1 base score

0.91%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

1References

17 Jun 2026Last modified by NVD

Description

Azure Bastion Elevation of Privilege Vulnerability

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Azure Bastion Developer Microsoft

References

Link	Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49752	Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-23397Microsoft Outlook improper input validation privilege escalationCVE-2023-23397 is a critical elevation of privilege flaw in Microsoft Outlook caused by improper input validation and an authentication bypass by cap…KEVEPSS 97%analysed14 Mar 2023

Source: NIST National Vulnerability Database (record CVE-2025-49752), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.