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 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Kerberos 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 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges over a network. |
1Microsoft 6365 Apps Microsoft 365Office 2019+3 moreSep 17, 2026 Sep 8, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office Word 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 Kernel allows an unauthorized attacker to execute code over a network. |
Heap-based buffer overflow in Windows Raw Image Extension 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 8.0 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges over a network. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 24, 2026 Sep 8, 2026 N/A· v4 8.4 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally. |
1Microsoft 5365 Apps Office 2019Office 2021+2 moreSep 9, 2026 Sep 8, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office Outlook 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 iSCSI allows an authorized attacker to execute code over a network. |
1Microsoft 10Windows 10 1809 Windows 10 21h2Windows 10 22h2+7 moreSep 21, 2026 Sep 8, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges over a network. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreSep 24, 2026 Sep 8, 2026 N/A· v4 8.0 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows HTTP Print Provider allows an authorized 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 7.0 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Fax 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 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Audio Service allows an authorized attacker to elevate privileges locally. |
1Microsoft 12Windows 10 1607 Windows 10 1809Windows 10 21h2+9 moreSep 24, 2026 Sep 8, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Hyper-V 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 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network. |
1Microsoft 4Windows 11 24h2 Windows 11 25h2Windows 11 26h1+1 moreOct 1, 2026 Sep 8, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Local Security Authority Server (lsasrv) 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 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 Universal Disk Format File System Driver (UDFS) 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 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 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. |