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
3,207 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-122page 60 of 65
- CVE-2026-69906HIGHCVSS 8.2EG 8.22026-09-08
Heap-based buffer overflow in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
- CVE-2026-69921HIGHCVSS 7.8EG 7.82026-09-08
Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.
- CVE-2026-70130HIGHCVSS 7.8EG 8.42026-08-11
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2026-70203HIGHCVSS 8.8EG 8.82026-09-08
Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code over a network.
- CVE-2026-70289HIGHCVSS 7.8EG 7.82026-09-08
Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
- CVE-2026-70304HIGHCVSS 7.8EG 7.82026-08-11
Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.
- CVE-2026-70330HIGHCVSS 7.8EG 7.82026-08-11
Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.
- CVE-2026-70345HIGHCVSS 7.8EG 7.82026-08-11
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-70347HIGHCVSS 7.8EG 7.82026-08-11
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-70351HIGHCVSS 8.8EG 8.82026-09-08
Integer overflow or wraparound in Microsoft WebP Image Extension allows an unauthorized attacker to execute code over a network.
- CVE-2026-7040HIGHCVSS 7.5EG 7.52026-04-27
Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters. The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption. Note that the m…
- CVE-2026-70564HIGHCVSS 7.8EG 7.82026-09-08
Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.
- CVE-2026-70568HIGHCVSS 7.0EG 7.02026-09-08
Heap-based buffer overflow in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-70573HIGHCVSS 7.0EG 7.02026-09-08
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-70578HIGHCVSS 7.0EG 7.02026-09-08
Heap-based buffer overflow in Windows Credential Guard allows an authorized attacker to elevate privileges locally.
- CVE-2026-70583HIGHCVSS 7.8EG 7.82026-09-08
Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges locally.
- CVE-2026-70586HIGHCVSS 8.8EG 8.82026-09-08
Heap-based buffer overflow in Windows Paint allows an unauthorized attacker to execute code over a network.
- CVE-2026-70638HIGHCVSS 7.8EG 7.82026-08-06
llama.cpp builds b1886 through b7445 contain an integer overflow vulnerability in the LLaMA-Android JNI wrapper where the new_1batch() function multiplies sizeof(llama_seq_id) by an attacker-controlled n_seq_max parameter without overflow …
- CVE-2026-70653MEDIUMCVSS 4.8EG 4.82026-08-20
libvips is a fast image processing library with low memory needs. Prior to version 8.18.3, the old-style Radiance RLE decoder in libvips/foreign/radiance.c can process a repeat marker at the beginning of a scanline in scanline_read_old and…
- CVE-2026-70654MEDIUMCVSS 5.8EG 5.82026-08-20
libvips is a fast image processing library with low memory needs. Prior to version 8.18.3, applications that define unusual custom libvips sources and use them to process untrusted uncompressed PPM images can trigger a max/min error in vip…
- CVE-2026-71328HIGHCVSS 8.8EG 8.82026-09-08
Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.
- CVE-2026-71329MEDIUMCVSS 6.8EG 6.82026-09-08
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code with a physical attack.
- CVE-2026-71331HIGHCVSS 8.1EG 8.12026-08-11
Integer overflow or wraparound in Windows Device Health Attestation (DHA) allows an unauthorized attacker to execute code over a network.
- CVE-2026-71334HIGHCVSS 7.8EG 7.82026-09-08
Heap-based buffer overflow in Windows NFS Portmapper allows an authorized attacker to elevate privileges locally.
- CVE-2026-71339MEDIUMCVSS 6.7EG 6.72026-09-08
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-71343HIGHCVSS 7.8EG 7.82026-09-08
Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to execute code locally.
- CVE-2026-71348MEDIUMCVSS 6.8EG 6.82026-09-08
Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code with a physical attack.
- CVE-2026-71349MEDIUMCVSS 6.8EG 6.82026-09-08
Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code with a physical attack.
- CVE-2026-71350MEDIUMCVSS 6.8EG 6.82026-09-08
Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code with a physical attack.
- CVE-2026-71676HIGHCVSS 7.5EG 7.52026-08-18
Buffer Overflow vulnerability in Open5GS v.2.7.0 allows a remote attacker to cause a denial of service via the NAS 5GS decoder chain, triggered when the message type byte of a NAS PDU is mutated
- CVE-2026-72927MEDIUMCVSS 6.7EG 6.72026-09-08
Heap-based buffer overflow in Winsock allows an authorized attacker to elevate privileges locally.
- CVE-2026-72933HIGHCVSS 8.8EG 8.82026-09-08
Heap-based buffer overflow in Microsoft WDAC OLE DB provider for SQL allows an unauthorized attacker to execute code over a network.
- CVE-2026-72940HIGHCVSS 8.8EG 8.82026-09-08
Heap-based buffer overflow in Windows Schannel allows an unauthorized attacker to execute code over a network.
- CVE-2026-72941HIGHCVSS 7.8EG 7.82026-09-08
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-72944HIGHCVSS 7.8EG 7.82026-09-08
Heap-based buffer overflow in Windows Fax Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-72946HIGHCVSS 7.8EG 7.82026-09-08
Heap-based buffer overflow in Storage Port Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-72950HIGHCVSS 8.8EG 8.82026-09-08
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
- CVE-2026-72953HIGHCVSS 7.8EG 7.82026-09-08
Heap-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-72957HIGHCVSS 7.8EG 7.82026-09-08
Heap-based buffer overflow in Windows Deployment Services allows an authorized attacker to execute code locally.
- CVE-2026-72959HIGHCVSS 8.8EG 8.82026-09-08
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
- CVE-2026-72960HIGHCVSS 8.8EG 8.82026-09-08
Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code over a network.
- CVE-2026-72961HIGHCVSS 8.2EG 8.22026-09-08
Out-of-bounds read in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
- CVE-2026-72962HIGHCVSS 8.2EG 8.22026-09-08
Heap-based buffer overflow in Windows USB Video Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-72967HIGHCVSS 7.8EG 7.82026-09-08
Heap-based buffer overflow in Windows Network Connection Broker allows an authorized attacker to elevate privileges locally.
- CVE-2026-72970HIGHCVSS 8.3EG 8.32026-08-14
Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
- CVE-2026-72972HIGHCVSS 8.8EG 8.82026-09-08
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
- CVE-2026-72973HIGHCVSS 8.8EG 8.82026-09-08
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
- CVE-2026-72985MEDIUMCVSS 6.8EG 6.82026-09-08
Heap-based buffer overflow in Windows Volume Shadow Copy allows an unauthorized attacker to elevate privileges with a physical attack.
- CVE-2026-72986HIGHCVSS 8.8EG 8.82026-09-08
Heap-based buffer overflow in Graphic Fonts allows an unauthorized attacker to execute code over a network.
- CVE-2026-72988HIGHCVSS 7.8EG 7.82026-09-08
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
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.
Start Free Scan →