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
3,758 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 76
- CVE-2026-69354HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
- CVE-2026-68836HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows kernel32.dll allows an authorized attacker to elevate privileges locally.
- CVE-2026-70285HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
- CVE-2026-70278HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an authorized attacker to elevate privileges locally.
- CVE-2026-70255HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
- CVE-2026-70233HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-70138HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows OLE allows an authorized attacker to elevate privileges locally.
- CVE-2026-70132HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Portable Device File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-70123HIGHCVSS 7.8EG 7.82026-10-13
Numeric truncation error in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
- CVE-2026-70114HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-70117HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
- CVE-2026-70108HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
- CVE-2026-70139HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Update Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-70121HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-70106HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-70093HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Rich Text Edit Control allows an authorized attacker to elevate privileges locally.
- CVE-2026-70103HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
- CVE-2026-70060HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
- CVE-2026-70059HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows OLE allows an authorized attacker to elevate privileges locally.
- CVE-2026-70027HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
- CVE-2026-70015HIGHCVSS 7.8EG 7.82026-10-13
Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-70010HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
- CVE-2026-69963HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-69909HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Microsoft COM for Windows allows an authorized attacker to elevate privileges locally.
- CVE-2026-69898HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-102227HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.
- CVE-2026-104340HIGHCVSS 7.8EG 7.82026-10-13
Adobe Framemaker 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 …
- CVE-2026-103966HIGHCVSS 7.8EG 7.82026-10-13
Adobe Framemaker 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 …
- CVE-2026-104344HIGHCVSS 7.8EG 7.82026-10-13
Adobe Framemaker 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 …
- CVE-2026-103010HIGHCVSS 7.8EG 7.82026-10-08
Heap-based buffer overflow in the legacy Blowfish decryption routine (BlowFishEncryptor::DecryptFromString) in Progressive Robot hMailServer 6.0.0 through 6.3.3 on Windows allows a local interactive user with no hMailServer credentials to …
- CVE-2026-42616HIGHCVSS 7.8EG 7.82026-10-07
In NTFS-3G before 2026.7.7, a heap buffer overflow exists in cat() in ntfscat.c that allows an attacker to corrupt heap memory in the ntfscat binary by crafting a malicious NTFS image. The overflow is triggered by reading a file.
- CVE-2026-92368HIGHCVSS 7.8EG 7.82026-09-29
TeamViewer Full Client and Host for Linux and macOS prior version 15.82 contain a heap-based buffer overflow vulnerability in the processing of .tvs session recording files. A size mismatch during decompression of recorded session data can…
- CVE-2026-86926HIGHCVSS 7.8EG 7.82026-09-23
A heap buffer overflow vulnerability in the FileMaker Server database engine block parsing routine allowed a maliciously crafted .fmp12 database file to cause memory corruption, potentially leading to arbitrary code execution. This vulnera…
- CVE-2026-75649HIGHCVSS 7.8EG 7.82026-09-22
Bridge 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 …
- CVE-2026-75665HIGHCVSS 7.8EG 7.82026-09-22
Bridge 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 …
- CVE-2026-61714HIGHCVSS 7.8EG 7.82026-09-18
FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From 2.2.4 until 2.5.6, configuring synth.midi-channels above 16 allows the MIDI player to index _fluid_player_t::channel_isplaying outside its fixed-size heap a…
- CVE-2026-46655HIGHCVSS 7.8EG 7.82026-09-18
virtio-win provides Windows paravirtualized drivers for QEMU and KVM. From mm210 until mm320, the Viosock driver permits a low-privilege local process to submit an IOCTL_SELECT request with attacker-controlled VIRTIO_VSOCK_SELECT.Fdss[*].f…
- CVE-2026-63422HIGHCVSS 7.8EG 7.82026-09-18
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1, A valid tiled openexr image whose width is not a multiple of …
- CVE-2026-81474HIGHCVSS 7.8EG 7.82026-09-17
Dell OpenManage Server Administrator, versions prior to 11.1.0.3, contains a Heap-based Buffer Overflow vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privil…
- CVE-2026-55323HIGHCVSS 7.8EG 7.82026-09-15
In gf_base_update_finger_base of gf_base.c, 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 nee…
- CVE-2026-19781HIGHCVSS 7.8EG 7.82026-09-15
Ashlar-Vellum Cobalt VS File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction i…
- CVE-2026-90556HIGHCVSS 7.8EG 7.82026-09-12
Freeciv versions before 3.2.6 contain a heap buffer overflow in worklist_load() when processing savegame files with declared worklist lengths exceeding the fixed array bound of 64 elements. Attackers can craft malicious savegame files that…
- CVE-2026-79591HIGHCVSS 7.8EG 7.82026-09-10
A heap-buffer-overflow and use-after-free vulnerability exists in the xls_getCSS() function of libxls 1.6.3 due to insufficient validation of a file-controlled font index.
- CVE-2026-81992HIGHCVSS 7.8EG 7.82026-09-08
Acrobat Reader 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 ma…
- CVE-2026-82006HIGHCVSS 7.8EG 7.82026-09-08
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…
- CVE-2026-58820HIGHCVSS 7.8EG 7.82026-09-08
In multiple locations, there is a possible memory safety issue due to integer overflow. This could lead to local escalation of privilege with no additional execution privileges required.
- CVE-2026-55294HIGHCVSS 7.8EG 7.82026-09-08
In ihevcd_get_tu_data_size of ihevcd_utils.c, 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 n…
- CVE-2026-49932HIGHCVSS 7.8EG 7.82026-09-08
In parseParts of PduParser.java, there is a possible out of bounds read 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 expl…
- CVE-2026-45531HIGHCVSS 7.8EG 7.82026-09-08
In read_boot_region of fsck.c, there is a possible out of bounds read 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 exploi…
- CVE-2026-45515HIGHCVSS 7.8EG 7.82026-09-08
In a2dp_vendor_opus_decoder_decode_packet of a2dp_vendor_opus_decoder.cc, 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 neede…
Map vulnerabilities like CWE-122 to your infrastructure
EchelonGraph correlates every CVE — across CWE-122 and 150+ other weakness categories — against the assets you actually run. See blast radius, fix versions, and remediation steps in one graph.
Book a Demo →