CWE-122
3,678 CVEs • Abstraction: Variant • Likelihood of Exploit: High
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
CVEs (3,678)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
|---|
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreOct 16, 2026 Oct 13, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code over a network. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreOct 16, 2026 Oct 13, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network. |
1Microsoft 4365 Apps Microsoft 365Office 2021+1 moreOct 15, 2026 Oct 13, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network. |
1Microsoft 4365 Apps Microsoft 365Office 2021+1 moreOct 15, 2026 Oct 13, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. |
1Microsoft 4365 Apps Microsoft 365Office 2021+1 moreOct 15, 2026 Oct 13, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network. |
1Microsoft 4365 Apps Microsoft 365Office 2021+1 moreOct 15, 2026 Oct 13, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreOct 20, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Scripting Engine allows an authorized attacker to elevate privileges locally. |
1Microsoft 4365 Apps Microsoft 365Office 2021+1 moreOct 15, 2026 Oct 13, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. |
1Microsoft 4365 Apps Microsoft 365Office 2021+1 moreOct 15, 2026 Oct 13, 2026 N/A· v4 8.1 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. |
1Microsoft 11Windows 10 1809 Windows 10 21h2Windows 10 22h2+8 moreOct 20, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally. |
Integer overflow or wraparound in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. |
Heap-based buffer overflow in OpenSSH for Windows allows an unauthorized attacker to execute code over a network. |
Heap-based buffer overflow in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. |
Heap-based buffer overflow in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to elevate privileges locally. |
1Microsoft 4365 Apps Microsoft 365Office 2021+1 moreOct 15, 2026 Oct 13, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally. |
Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network. |
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally. |
Integer overflow or wraparound in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally. |
Heap-based buffer overflow in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally. |