CVE-2026-45584
8.1 HIGHHeap-based buffer overflow in Microsoft Defender allows an unauthorized attacker to execute code over a network
Published: 2026-05-20 · Last updated: 2026-05-20
Severity and scoring
- CVSS
- 8.1 HIGH
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-122
Affected products
| Vendor | Product |
|---|---|
| microsoft | malware_protection_engine |
Description
Heap-based buffer overflow in Microsoft Defender allows an unauthorized attacker to execute code over a network.
Source: NVD
References
Related CVEs
Same vendor
- CVE-2026-50512 — Improper link resolution before file access ('link following') in Microsoft PC Manager allows an authorized attacker to elevate privilege... (7.8 HIGH)
- CVE-2026-50511 — Improper link resolution before file access ('link following') in Microsoft PC Manager allows an authorized attacker to elevate privilege... (7.8 HIGH)
- CVE-2026-50507 — Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack (6.8 MEDIUM)
- CVE-2026-49161 — Improper access control in Microsoft PC Manager allows an authorized attacker to bypass a security feature locally (7.8 HIGH)
- CVE-2026-49160 — Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network (7.5 HIGH)
Same CWE
- CVE-2026-47747 — stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inf... (7.8 HIGH)
- CVE-2026-47964 — DNG SDK versions 1.7.1 2536 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code ex... (7.8 HIGH)
- CVE-2026-47749 — stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inf... (7.8 HIGH)
- CVE-2026-8484 — A heap buffer overflow vulnerability exists in the Jansi JNI "ioctl()" wrapper due to a lack of size verification for the argument array ...
- CVE-2026-52720 — A heap buffer overflow vulnerability was found in GStreamer's librfb (RFB/VNC client) (8.8 HIGH)