CWE-122
3,698 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 (3,698)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
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1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreOct 14, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally. |
1Microsoft 12Windows 10 1607 Windows 10 1809Windows 10 21h2+9 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 25, 2026 Aug 11, 2026 N/A· v4 6.8 MEDIUM· v3 N/A· v2 Null pointer dereference in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to execute code locally. |
1Microsoft 6Windows 11 23h2 Windows 11 24h2Windows 11 25h2+3 moreAug 13, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally. |
1Microsoft 3Windows 11 24h2 Windows 11 25h2Windows 11 26h1Aug 13, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Integer overflow or wraparound in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. |
1Microsoft 8Windows 10 1607 Windows 10 1809Windows 10 21h2+5 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Access of resource using incompatible type ('type confusion') in Windows DWM Core Library allows an authorized attacker to elevate privileges locally. |
1Microsoft 12Windows 10 1607 Windows 10 1809Windows 10 21h2+9 moreAug 16, 2026 Aug 11, 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 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges locally. |
1Microsoft 10Windows 10 1809 Windows 10 21h2Windows 10 22h2+7 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Display Enhancement Service allows an authorized attacker to elevate privileges locally. |
1Microsoft 12Windows 10 1607 Windows 10 1809Windows 10 21h2+9 moreAug 16, 2026 Aug 11, 2026 N/A· v4 5.5 MEDIUM· v3 N/A· v2 Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to disclose information locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 8.1 HIGH· v3 N/A· v2 Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. |
1Microsoft 6Windows 11 23h2 Windows 11 24h2Windows 11 25h2+3 moreAug 13, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally. |
1Microsoft 8Windows 10 21h2 Windows 10 22h2Windows 11 23h2+5 moreAug 13, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 8.1 HIGH· v3 N/A· v2 Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. |
1Microsoft 4365 Apps Microsoft 365Office 2021+1 moreAug 14, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code locally. |