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CWE-122

3,113 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().

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CVEs (3,113)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
5365 Apps
AccessOffice 2019+2 more
Aug 14, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
Microsoft 365Office 2019+2 more
Aug 14, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to execute code locally.
1Microsoft
6365 Apps
Microsoft 365Office 2016+3 more
Aug 14, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
AccessOffice 2019+2 more
Aug 14, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
AccessOffice 2019+2 more
Aug 14, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code locally.
1Microsoft
6365 Apps
Microsoft 365Office 2016+3 more
Aug 13, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
Microsoft 365Office 2019+2 more
Aug 13, 2026
Aug 11, 2026
N/A· v4
7.8 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 2016+3 more
Aug 14, 2026
Aug 11, 2026
N/A· v4
7.8 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 2016+3 more
Aug 13, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
Microsoft 365Office 2019+2 more
Aug 13, 2026
Aug 11, 2026
N/A· v4
7.8 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 more
Aug 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
6365 Apps
Microsoft 365Office 2016+3 more
Aug 14, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
1Microsoft
2Exchange Server
Exchange Server Subscription Edition
Aug 14, 2026
Aug 11, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 16, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows GDI+ allows an authorized attacker to execute code locally.
1Microsoft
3.net
Visual Studio 2022Visual Studio 2026
Sep 8, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 16, 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
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 17, 2026
Aug 11, 2026
N/A· v4
6.7 MEDIUM· v3
N/A· v2
Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Aug 17, 2026
Aug 11, 2026
N/A· v4
6.7 MEDIUM· v3
N/A· v2
Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.
1Microsoft
3.net
Visual Studio 2022Visual Studio 2026
Aug 13, 2026
Aug 11, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.