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 9Windows 10 21h2 Windows 10 22h2Windows 11 23h2+6 moreOct 16, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreOct 16, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreOct 26, 2026 Oct 13, 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 11Windows 10 1809 Windows 10 21h2Windows 10 22h2+8 moreOct 26, 2026 Oct 13, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code over a network. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreOct 26, 2026 Oct 13, 2026 N/A· v4 7.0 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally. |
Heap-based buffer overflow in Microsoft Streaming Service 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 6.8 MEDIUM· v3 N/A· v2 Heap-based buffer overflow in Windows Overlay Filter allows an unauthorized attacker to execute code with a physical attack. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreOct 16, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Client for NFS allows an authorized attacker to elevate privileges locally. |
1Microsoft 9Windows 10 21h2 Windows 10 22h2Windows 11 23h2+6 moreOct 16, 2026 Oct 13, 2026 N/A· v4 6.8 MEDIUM· v3 N/A· v2 Heap-based buffer overflow in Windows Overlay Filter allows an unauthorized attacker to execute code with a physical attack. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreOct 16, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Core Messaging 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 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft COM for Windows allows an authorized attacker to elevate privileges locally. |
1Microsoft 11Windows 10 1809 Windows 10 21h2Windows 10 22h2+8 moreOct 16, 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 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 Imaging Component allows an unauthorized attacker to execute code over a network. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreOct 27, 2026 Oct 13, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network. |
1Microsoft 11Windows 10 1809 Windows 10 21h2Windows 10 22h2+8 moreOct 26, 2026 Oct 13, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code over a network. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreOct 26, 2026 Oct 13, 2026 N/A· v4 6.6 MEDIUM· v3 N/A· v2 Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges with a physical attack. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreOct 26, 2026 Oct 13, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to execute code over a network. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreOct 26, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Update allows an authorized attacker to elevate privileges locally. |
1Microsoft 14Windows 10 1607 Windows 10 1809Windows 10 21h2+11 moreOct 23, 2026 Oct 13, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreOct 23, 2026 Oct 13, 2026 N/A· v4 8.0 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges over a network. |