Microsoft Security Response Center

Exposure of sensitive information to an unauthorized actor in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

**Is the Preview Pane an attack vector for this vulnerability?** No, the Preview Pane is not an attack vector.

Improper neutralization of input during web page generation ('cross-site scripting') in Dynamics 365 Field Service (online) allows an authorized attacker to perform spoofing over a network.

Use after free in Multimedia Class Scheduler Service (MMCSS) allows an authorized attacker to elevate privileges locally.

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to disclose information locally.

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Exposure of sensitive information to an unauthorized actor in Microsoft Dynamics 365 (on-premises) allows an unauthorized attacker to disclose information over a network.

Improper link resolution before file access ('link following') in Host Process for Windows Tasks allows an authorized attacker to elevate privileges locally.

Out-of-bounds read in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.