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 moreSep 24, 2026 Sep 8, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine |
1Microsoft 4Windows 11 24h2 Windows 11 25h2Windows 11 26h1+1 moreSep 22, 2026 Sep 8, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Storage Port Driver allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 24, 2026 Sep 8, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Fax Service allows an authorized attacker to elevate privileges locally. |
1Microsoft 12Windows 10 1607 Windows 10 1809Windows 10 21h2+9 moreSep 11, 2026 Sep 8, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
1Microsoft 6Windows 11 23h2 Windows 11 24h2Windows 11 25h2+3 moreSep 22, 2026 Sep 8, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Schannel allows an unauthorized attacker to execute code over a network. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 24, 2026 Sep 8, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft WDAC OLE DB provider for SQL allows an unauthorized attacker to execute code over a network. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 24, 2026 Sep 8, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Winsock allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 24, 2026 Sep 8, 2026 N/A· v4 6.8 MEDIUM· v3 N/A· v2 Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code with a physical attack. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 24, 2026 Sep 8, 2026 N/A· v4 6.8 MEDIUM· v3 N/A· v2 Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code with a physical attack. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 24, 2026 Sep 8, 2026 N/A· v4 6.8 MEDIUM· v3 N/A· v2 Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code with a physical attack. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 24, 2026 Sep 8, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to execute code locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 24, 2026 Sep 8, 2026 N/A· v4 6.7 MEDIUM· 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 moreSep 24, 2026 Sep 8, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows NFS Portmapper allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 24, 2026 Sep 8, 2026 N/A· v4 6.8 MEDIUM· v3 N/A· v2 Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code with a physical attack. |
1Microsoft 3.net Visual Studio 2022Visual Studio 2026Sep 11, 2026 Sep 8, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 24, 2026 Sep 8, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Paint allows an unauthorized attacker to execute code over a network. |
1Microsoft 12Windows 10 1607 Windows 10 1809Windows 10 21h2+9 moreSep 28, 2026 Sep 8, 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 6Windows 10 21h2 Windows 10 22h2Windows 11 23h2+3 moreSep 24, 2026 Sep 8, 2026 N/A· v4 7.0 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Credential Guard allows an authorized attacker to elevate privileges locally. |
1Microsoft 12Windows 10 1607 Windows 10 1809Windows 10 21h2+9 moreSep 11, 2026 Sep 8, 2026 N/A· v4 7.0 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 24, 2026 Sep 8, 2026 N/A· v4 7.0 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally. |