CWE-122— 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().— MITRE CWE catalog
3,271 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-122page 33 of 66
- CVE-2026-50332HIGHCVSS 7.8EG 7.82026-07-14
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-50308HIGHCVSS 7.8EG 7.82026-07-14
Integer underflow (wrap or wraparound) in Windows NTFS allows an unauthorized attacker to execute code locally.
- CVE-2026-49800HIGHCVSS 7.8EG 7.82026-07-14
Integer overflow or wraparound in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.
- CVE-2026-49797HIGHCVSS 7.8EG 7.82026-07-14
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
- CVE-2026-49796HIGHCVSS 7.8EG 7.82026-07-14
Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code locally.
- CVE-2026-49793HIGHCVSS 7.8EG 7.82026-07-14
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.
- CVE-2026-49790HIGHCVSS 7.8EG 7.82026-07-14
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
- CVE-2026-58640HIGHCVSS 7.8EG 7.82026-07-14
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
- CVE-2026-58618HIGHCVSS 7.8EG 7.82026-07-14
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-58610HIGHCVSS 7.8EG 7.82026-07-14
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
- CVE-2026-58601HIGHCVSS 7.8EG 7.82026-07-14
Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-50675HIGHCVSS 7.8EG 7.82026-07-14
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-55012HIGHCVSS 7.8EG 7.82026-07-14
Integer overflow or wraparound in Microsoft Defender allows an unauthorized attacker to execute code locally.
- CVE-2026-54109HIGHCVSS 7.8EG 7.82026-07-14
Integer overflow or wraparound in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.
- CVE-2026-54993HIGHCVSS 7.8EG 7.82026-07-14
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
- CVE-2026-54986HIGHCVSS 7.8EG 7.82026-07-14
Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
- CVE-2026-54987HIGHCVSS 7.8EG 7.82026-07-14
Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
- CVE-2026-49175HIGHCVSS 7.8EG 7.82026-07-14
Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.
- CVE-2026-15506HIGHCVSS 7.8EG 7.82026-07-12
A security vulnerability has been detected in SecureAge CatchPulse up to 10.9.3. The affected element is an unknown function in the library saappctl.sys of the component Driver. Such manipulation leads to heap-based buffer overflow. An att…
- CVE-2026-14759HIGHCVSS 7.8EG 7.82026-07-05
A security flaw has been discovered in radareorg radare2 up to 6.1.6. This issue affects the function r_bin_java_inner_classes_attr_calc_size of the file shlr/java/class.c of the component RBinJava Line Number Table Parser. Performing a ma…
- CVE-2026-2050HIGHCVSS 7.8EG 7.82026-06-24
GIMP HDR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vuln…
- CVE-2026-47747HIGHCVSS 7.8EG 7.82026-06-16
stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inference. In versions prior to master-584-0a7ae07, the pickle .ckpt parser in src/model.cpp contained a …
- CVE-2026-47964HIGHCVSS 7.8EG 7.82026-06-16
DNG SDK versions 1.7.1 2536 and earlier are 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 th…
- CVE-2026-47749HIGHCVSS 7.8EG 7.82026-06-16
stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inference. Versions prior to master-584-0a7ae07 are vulnerable to heap buffer overflow in SHORT_BINUNICOD…
- CVE-2026-12193HIGHCVSS 7.8EG 7.82026-06-14
A vulnerability was identified in VS Revo RevoUninstaller 2.5.x/2.6.x. The affected element is the function IOCtl_Handler in the library RevoDetector.sys of the component IOCTL Handler. Such manipulation leads to heap-based buffer overflow…
- CVE-2026-2049HIGHCVSS 7.8EG 7.82026-06-10
GIMP HDR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vuln…
- CVE-2026-48292HIGHCVSS 7.8EG 7.82026-06-09
Format Plugins versions 1.1.2 and earlier are 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 …
- CVE-2026-48291HIGHCVSS 7.8EG 7.82026-06-09
Format Plugins versions 1.1.2 and earlier are 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 …
- CVE-2026-47952HIGHCVSS 7.8EG 7.82026-06-09
Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are 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…
- CVE-2026-11824HIGHCVSS 7.8EG 7.82026-06-09
SQLite before 3.53.2 contains a heap-based buffer overflow vulnerability in the FTS5 full-text search extension that allows attackers to cause a crash or execute arbitrary code by supplying a crafted database with malicious continuation pa…
- CVE-2026-11822HIGHCVSS 7.8EG 7.82026-06-09
SQLite before 3.53.2 contains memory corruption vulnerabilities in the FTS5 full-text search extension that allow attackers to cause process crashes, memory exhaustion, or arbitrary code execution by supplying a crafted database with malfo…
- CVE-2026-34698HIGHCVSS 7.8EG 7.82026-06-09
InDesign Desktop versions 21.3, 20.5.3 and earlier are 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 intera…
- CVE-2026-34699HIGHCVSS 7.8EG 7.82026-06-09
InDesign Desktop versions 21.3, 20.5.3 and earlier are 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 intera…
- CVE-2026-34701HIGHCVSS 7.8EG 7.82026-06-09
InDesign Desktop versions 21.3, 20.5.3 and earlier are 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 intera…
- CVE-2026-34707HIGHCVSS 7.8EG 7.82026-06-09
InCopy versions 21.3, 20.5.3 and earlier are 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 t…
- CVE-2026-40404HIGHCVSS 7.8EG 7.82026-06-09
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
- CVE-2026-44808HIGHCVSS 7.8EG 7.82026-06-09
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
- CVE-2026-44811HIGHCVSS 7.8EG 7.82026-06-09
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
- CVE-2026-42980HIGHCVSS 7.8EG 7.82026-06-09
Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-48574HIGHCVSS 7.8EG 7.82026-06-09
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
- CVE-2026-45638HIGHCVSS 7.8EG 7.82026-06-09
Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- CVE-2026-45636HIGHCVSS 7.8EG 7.82026-06-09
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
- CVE-2026-44824HIGHCVSS 7.8EG 7.82026-06-09
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2026-44819HIGHCVSS 7.8EG 7.82026-06-09
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2026-45475HIGHCVSS 7.8EG 7.82026-06-09
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2026-45469HIGHCVSS 7.8EG 7.82026-06-09
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-0100HIGHCVSS 7.8EG 7.82026-06-01
In Load of LoadedArsc.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitat…
- CVE-2026-40528HIGHCVSS 7.8EG 7.82026-05-29
OpenSC before 0.27.0, fixed in commit 0358817, contains a stack and heap buffer overrun vulnerability in the do_key_value() function in src/pkcs15init/profile.c that allows attackers to corrupt memory by supplying a crafted profile configu…
- CVE-2026-25713HIGHCVSS 7.8EG 7.82026-05-26
A heap-based buffer overflow vulnerability exists in the ID3v2 parsing functionality of MediaInfoLib (version(s): 26.01). A specially crafted media file that contains ID3v2 tags can lead to arbitrary code execution. An attacker can provide…
- CVE-2026-22554HIGHCVSS 7.8EG 7.82026-05-20
A heap-based buffer overflow vulnerability exists in the Channel Splitting functionality of MediaInfoLib (version(s): 26.01). A specially crafted .riff file can lead to arbitrary code execution. An attacker can provide a malicious file to …
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