Description
An information disclosure vulnerability exists in Azure Active Directory (AAD) Microsoft Account (MSA) during the login request session. An attacker who successfully exploited the vulnerability could take over a user's account. To exploit the vulnerability, an attacker would have to trick a user into browsing to a specially crafted website, allowing the attacker to steal the user's token. The security update addresses the vulnerability by correcting how MSA handles cookies.
Metrics
CVSS 3.1 4.3/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1703 | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1803 | >= 10.0.0, < publication |
| Microsoft | Windows Server, version 1803 (Server Core Installation) | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1809 | >= 10.0.0, < publication |
| Microsoft | Windows Server 2019 | >= 10.0.0, < publication |
| Microsoft | Windows Server 2019 (Server Core installation) | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1709 for 32-bit Systems | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1709 | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | >= 10.0.0, < publication |
| Microsoft | Windows Server, version 1903 (Server Core installation) | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1507 | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1607 | >= 10.0.0, < publication |
| Microsoft | Windows Server 2016 | >= 10.0.0, < publication |
| Microsoft | Windows Server 2016 (Server Core installation) | >= 10.0.0, < publication |
| Microsoft | Windows 8.1 | >= 6.3.0, < publication |
| Microsoft | Windows Server 2012 R2 | >= 6.3.0, < publication |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | >= 6.3.0, < publication |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1172Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1172Patch, Vendor Advisory
Timeline
- Published
- Aug 14, 2019
- Last modified
- Jun 17, 2026
- NVD status
- Modified