#vulnerability

Improper verification of cryptographic signature in GitHub allows an unauthorized attacker to perform spoofing over an adjacent network.

Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing locally.

Improper authentication in Windows SMB Server allows an authorized attacker to perform tampering over a network.

**How could an attacker exploit this vulnerability?** To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. Additionally, an attacker could convince a local user to open a malicious file. The attacker would have to convince the user to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.

Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.

Improper input validation in JDBC Driver for SQL Server allows an unauthorized attacker to perform spoofing over a network.

Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

**What type of information could be disclosed by this vulnerability?** An attacker who successfully exploited this vulnerability could obtain Single Sign-On (SSO) cookies in ADFS logs.

Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.

Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.