#Security Vulnerability

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

Deserialization of untrusted data in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.

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.

Insertion of sensitive information into log file in Windows Failover Cluster allows an authorized attacker to disclose information locally.

**What privileges could be gained by an attacker who successfully exploited this vulnerability?** An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.