This security advisory describes one medium risk vulnerability.
CWE-200 - Information Exposure
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists in Azure Active Directory (AAD) Microsoft Account (MSA) during the login request session due to insecure cookie handling. A remote attacker can trick the victim to visit a specially crafted website and steal user's cookie.
Install updates from vendor's website.Vulnerable software versions
Windows: 8.1, 10, 10 1607, 10 1703, 10 1709, 10 1803, 10 1809, 10 1903, RT 8.1
Windows Server: 1803, 1903, 2012 R2, 2016, 2019CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.