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CWE-122

3,678 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 (3,678)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
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-
Oct 16, 2026
Oct 13, 2026
N/A· v4
8.5 HIGH· v3
N/A· v2
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
-
-
Oct 16, 2026
Oct 13, 2026
N/A· v4
6.6 MEDIUM· v3
N/A· v2
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
-
-
Oct 16, 2026
Oct 13, 2026
N/A· v4
6.7 MEDIUM· v3
N/A· v2
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code locally.
-
-
Oct 16, 2026
Oct 13, 2026
N/A· v4
8.5 HIGH· v3
N/A· v2
Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
-
-
Oct 16, 2026
Oct 13, 2026
N/A· v4
8.5 HIGH· v3
N/A· v2
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
1Adobe
1Photoshop
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Photoshop Desktop is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a...Show more
Photoshop Desktop is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.Show less
1Microsoft
3365 Apps
Office 2021Office 2024
Oct 20, 2026
Oct 13, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Heap-based buffer overflow in DNS Server allows an authorized attacker to disclose information over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.
1Microsoft
14Windows 10 1607
Windows 10 1809Windows 10 21h2+11 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.
1Microsoft
11Windows 10 1809
Windows 10 21h2Windows 10 22h2+8 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to disclose information over a network.
1Microsoft
6Windows 11 24h2
Windows 11 25h2Windows 11 26h1+3 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.0 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
1Microsoft
13Windows 10 1607
Windows 10 1809Windows 10 21h2+10 more
Oct 16, 2026
Oct 13, 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
1Windows 11 26h1
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
1Microsoft
7Windows 11 23h2
Windows 11 24h2Windows 11 25h2+4 more
Oct 16, 2026
Oct 13, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
1Microsoft
5365 Apps
Microsoft 365Office 2021+2 more
Oct 15, 2026
Oct 13, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
1Microsoft
5365 Apps
Microsoft 365Office 2021+2 more
Oct 15, 2026
Oct 13, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
1Microsoft
5365 Apps
Microsoft 365Office 2021+2 more
Oct 15, 2026
Oct 13, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
1Microsoft
5365 Apps
Microsoft 365Office 2021+2 more
Oct 15, 2026
Oct 13, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
1Microsoft
5365 Apps
Microsoft 365Office 2021+2 more
Oct 15, 2026
Oct 13, 2026
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.