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().
CVEs (3,698)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
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1Microsoft 10Windows 10 1809 Windows 10 21h2Windows 10 22h2+7 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 8.1 HIGH· v3 N/A· v2 Heap-based buffer overflow in RPC Runtime allows an unauthorized attacker to execute code over a network. |
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally. |
1Microsoft 10Windows 10 1809 Windows 10 21h2Windows 10 22h2+7 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Shell allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreOct 14, 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 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally. |
1Microsoft 12Windows 10 1607 Windows 10 1809Windows 10 21h2+9 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.0 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreOct 28, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally. |
1Microsoft 12Windows 10 1607 Windows 10 1809Windows 10 21h2+9 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Integer underflow (wrap or wraparound) in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. |
1Microsoft 10Windows 10 1809 Windows 10 21h2Windows 10 22h2+7 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. |
1Microsoft 5Windows 11 23h2 Windows 11 24h2Windows 11 25h2+2 moreAug 13, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 18, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges locally. |
1Microsoft 4Windows 11 24h2 Windows 11 25h2Windows 11 26h1+1 moreAug 17, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Brokering File System allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Message Queuing allows an authorized attacker to elevate privileges locally. |
1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 21h2+10 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Message Queuing allows an authorized attacker to elevate privileges locally. |
1Microsoft 10Windows 10 1809 Windows 10 21h2Windows 10 22h2+7 moreAug 16, 2026 Aug 11, 2026 N/A· v4 7.8 HIGH· v3 N/A· v2 Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally. |