CWE-122
2,316 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 (2,316)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
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1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreMay 15, 2026 May 12, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreMay 15, 2026 May 12, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Remote Desktop allows an authorized attacker to elevate privileges locally. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreMay 14, 2026 May 12, 2026 N/A· v4 6.2 MEDIUM· v3 N/A· v2 Heap-based buffer overflow in Volume Manager Extension Driver allows an authorized attacker to execute code with a physical attack. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreMay 14, 2026 May 12, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally. |
1Microsoft 4365 Apps OfficeOffice Long Term Servicing Channel+1 moreMay 19, 2026 May 12, 2026 N/A· v4 8.4 HIGH· v3 N/A· v2 Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally. |
1Microsoft 3365 Apps OfficeOffice Long Term Servicing ChannelMay 19, 2026 May 12, 2026 N/A· v4 8.4 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. |
1Microsoft 5365 Apps ExcelOffice+2 moreJun 1, 2026 May 12, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreMay 14, 2026 May 12, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code locally. |
1Microsoft 6Windows Server 2012 Windows Server 2016Windows Server 2019+3 moreMay 14, 2026 May 12, 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. |
Illustrator versions 29.8.6, 30.3 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requir...Show more |
After Effects versions 26.0, 25.6.4 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requ...Show more |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreMay 14, 2026 May 12, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreJun 1, 2026 May 12, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreMay 14, 2026 May 12, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over an adjacent network. |
1Microsoft 9Windows 10 21h2 Windows 10 22h2Windows 11 23h2+6 moreMay 14, 2026 May 12, 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 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreMay 14, 2026 May 12, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally. |
Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally. |
Siemens Simcenter Femap contains a memory corruption vulnerability while parsing specially crafted IPT files. This could allow an attacker to execute code in the context of the current process. |
libcaca is a colour ASCII art library. In 0.99.beta20 and earlier, an integer overflow vulnerability in libcaca's canvas import functionality allows an attacker to cause a controlled heap out-of-bounds write (heap overfl...Show more |
A vulnerability was determined in Squirrel up to 3.2. This affects the function SQFunctionProto::Load of the file squirrel/sqobject.cpp. This manipulation causes heap-based buffer overflow. The attack is restricted to lo...Show more |