Microsoft Security Response Center

**There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Security Updates table for the software?** Yes. Customers should apply all updates offered for the software installed on their systems. If multiple updates apply, they can be installed in any order.

Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.

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

**What type of information could be disclosed by this vulnerability?** An attacker who successfully exploited this vulnerability could potentially read small portions of heap memory.

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

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

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

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

Use after free in Windows Resilient File System (ReFS) Deduplication Service allows an unauthorized attacker to elevate privileges locally.

Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Configuration Manager allows an unauthorized attacker to elevate privileges locally.