CWE-122

High likelihood

Heap-based Buffer Overflow

Parent: CWE-788 - Access of Memory Location After End of Buffer

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().

2,559 vulnerabilities with CWE-122
CVE-2026-56189 HIGH
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-56182 HIGH
Microsoft Windows 10 Version 1607 - Windows NTFS Elevation of Privilege Vulnerability
CVSS 7.8
CVE-2026-56175 HIGH
Microsoft Windows 10 Version 1607 - Windows NTFS Elevation of Privilege Vulnerability
CVSS 7.8
CVE-2026-56159 CRITICAL
Microsoft Windows 10 Version 1607 - DHCP Server Service Remote Code Execution Vulnerability
CVSS 9.8
CVE-2026-56156 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55947 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55140 HIGH
Microsoft Office Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55137 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55133 HIGH
Microsoft OneNote Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55131 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55130 HIGH
Microsoft Word Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55129 HIGH
Microsoft Office Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55127 HIGH
Microsoft Word Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55125 HIGH
Microsoft Office Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55123 HIGH
Microsoft PowerPoint Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55120 HIGH
Microsoft PowerPoint Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55056 HIGH
Microsoft Office Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55053 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55049 HIGH
Microsoft Office Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55048 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55043 HIGH
Microsoft PowerPoint Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55041 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55039 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55037 HIGH
Microsoft Excel Remote Code Execution Vulnerability
CVSS 7.8
CVE-2026-55033 HIGH
Microsoft Word Remote Code Execution Vulnerability
CVSS 7.8
Details
Vulnerabilities 2,559
Exploit Likelihood High
Links
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