CWE-122
3,697 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 (3,697)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
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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. |
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. |
1Microsoft 5Windows 10 21h2 Windows 10 22h2Windows 11 24h2+2 moreSep 24, 2026 Sep 8, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Work Folders allows an authorized attacker to elevate privileges locally. |
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. |
1Microsoft 6365 Apps Microsoft 365Office 2016+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 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 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 7365 Apps Microsoft 365Office 2016+4 moreSep 24, 2026 Sep 8, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code 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 6365 Apps Microsoft 365Office 2016+3 moreSep 25, 2026 Sep 8, 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 6365 Apps Microsoft 365Office 2019+3 moreSep 17, 2026 Sep 8, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network. |
1Microsoft 6365 Apps Microsoft 365Office 2016+3 moreSep 17, 2026 Sep 8, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network. |
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network. |
1Microsoft 12Windows 10 1607 Windows 10 1809Windows 10 21h2+9 moreSep 12, 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. |
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally. |
1Microsoft 2Sql Server 2017 Sql Server 2019Sep 23, 2026 Sep 8, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows OLE DB allows an unauthorized attacker to execute code over a network. |
Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network. |
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 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges locally. |
1Microsoft 5365 Apps Microsoft 365Office 2019+2 moreSep 17, 2026 Sep 8, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network. |