N1Nty

**Name of the Vulnerable Software and Affected Versions** Microsoft Windows (affected versions not specified) **Description** A tampering vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully bypass the NTLM MIC (Message Integrity Check) protection. This vulnerability allows attackers to affect the system. The issue is related to the NTLM MIC protection mechanism, which can be exploited by a remote attacker to downgrade the security features of the NTLM mechanism. The vulnerability can be used to relay NetNTLMv1 authentication to LDAP, and it has been exploited in real-world attacks, including the RBCD attack. **Recommendations** At the moment, there is no information about a newer version that contains a fix for this vulnerability.

**Name of the Vulnerable Software and Affected Versions** Microsoft Exchange Server (affected versions not specified) **Description** The issue is related to insufficient access control in Microsoft Exchange Server, allowing a remote attacker to modify file access permissions. Successful exploitation could grant the attacker the same rights as a Domain Administrator. **Recommendations** At the moment, there is no information about a newer version that contains a fix for this vulnerability.