Microsoft Security Response Center

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

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

Heap-based buffer overflow in Windows OLE allows an unauthorized attacker to execute code 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.

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

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

Improper limitation of a pathname to a restricted directory ('path traversal') in OneDrive for Android allows an authorized attacker to elevate privileges over a network.

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

Untrusted pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.