← Back
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().

JSON object

Loading...

CVEs (3,698)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
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
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Sep 24, 2026
Sep 8, 2026
N/A· v4
8.1 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.
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.
1Microsoft
3Windows 11 24h2
Windows 11 25h2Windows 11 26h1
Sep 11, 2026
Sep 8, 2026
N/A· v4
8.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges over an adjacent network.
1Microsoft
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 11, 2026
Sep 8, 2026
N/A· v4
8.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges 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 Network File System 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
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Windows HTTP Print Provider 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
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Windows RNDIS allows an unauthorized attacker to execute code over a network.
1Microsoft
6365 Apps
Office 2016Office 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
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
12Windows 10 1607
Windows 10 1809Windows 10 21h2+9 more
Sep 14, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Integer overflow or wraparound 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
8.1 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Link Layer Topology Discovery Protocol 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
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in HID class driver allows an authorized attacker to elevate privileges locally.
1Microsoft
4Windows 11 24h2
Windows 11 25h2Windows 11 26h1+1 more
Sep 22, 2026
Sep 8, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Credential Providers allows an authorized 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
8.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges over a network.
1Microsoft
3Windows 11 24h2
Windows 11 25h2Windows 11 26h1
Sep 22, 2026
Sep 8, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows MIDI Service Module 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
9.8 CRITICAL· v3
N/A· v2
Out-of-bounds read in Windows Direct Show 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
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code 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 Spaceport.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
7.5 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges over a network.