Microsoft Security Response Center

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

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

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

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information 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.

Stack-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

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

**What privileges could be gained by an attacker who successfully exploited the vulnerability?** An attacker who successfully exploited this vulnerability could potentially gain the ability to crash the system by exploiting the use-after-free vulnerability, even as a standard user.