CWE-122
3,685 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 (3,685)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
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1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreOct 22, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally. |
1Microsoft 7Windows 11 23h2 Windows 11 24h2Windows 11 25h2+4 moreOct 22, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally. |
1Microsoft 11Windows 10 1809 Windows 10 21h2Windows 10 22h2+8 moreOct 26, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to execute code locally. |
Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an unauthorized attacker to elevate privileges locally. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreOct 22, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreOct 21, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreOct 21, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally. |
Heap-based buffer overflow in Windows Rich Text Edit Control allows an unauthorized attacker to execute code over a network. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreOct 21, 2026 Oct 13, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to execute code over a network. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreOct 21, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Rich Text Edit Control allows an authorized attacker to elevate privileges locally. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreOct 21, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an unauthorized attacker to elevate privileges locally. |
Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code over a network. |
Heap-based buffer overflow in Windows Client-Side Caching (CSC) Service allows an unauthorized attacker to elevate privileges over a network. |
Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally. |
Heap-based buffer overflow in Windows OLE allows an authorized attacker to elevate privileges locally. |
Heap-based buffer overflow in Windows NetBIOS allows an authorized attacker to elevate privileges locally. |
Integer overflow or wraparound in Windows PowerShell allows an authorized attacker to execute code locally. |
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreOct 16, 2026 Oct 13, 2026 N/A· v4 8.1 HIGH· v3 N/A· v2 Use after free in Windows iSCSI 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 iSCSI allows an unauthorized attacker to deny service over a network. |