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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().

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CVEs (3,698)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 21, 2026
Sep 8, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Integer overflow or wraparound in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 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
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 10, 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 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Numeric truncation error in Windows Kernel allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 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
7Windows 10 1607
Windows 10 1809Windows Server 2012+4 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Online Certificate Status Protocol (OCSP) allows an authorized attacker to elevate privileges locally.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
1Microsoft
6365 Apps
Microsoft 365Office 2019+3 more
Sep 9, 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 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
4.6 MEDIUM· v3
N/A· v2
Heap-based buffer overflow in Windows RNDIS allows an unauthorized attacker to disclose information with a physical attack.
1Microsoft
7Windows 10 1607
Windows 10 1809Windows Server 2012+4 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over a network.
1Microsoft
1Windows 11 26h1
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows SMB Client allows an authorized attacker to elevate privileges locally.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Camera Frame Server Monitor allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 1, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
1Microsoft
8Windows 10 21h2
Windows 10 22h2Windows 11 23h2+5 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Numeric truncation error in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
1Microsoft
6365 Apps
AccessOffice 2016+3 more
Sep 10, 2026
Sep 8, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
-
-
Sep 29, 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 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code over a network.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
Sep 18, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.