CVE-2026-45584

Published: Mag 20, 2026 Last Modified: Mag 20, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,1
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

Heap-based buffer overflow in Microsoft Defender allows an unauthorized attacker to execute code over a network.

122

Heap-based Buffer Overflow

Draft
Abstraction: Variant Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Integrity Confidentiality Access Control Other
Potential Impacts:
Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Execute Unauthorized Code Or Commands Bypass Protection Mechanism Modify Memory Other
Applicable Platforms
Languages: Memory-Unsafe, C, C++
Likelihood of Exploit: High
View CWE Details
Application

Malware Protection Engine by Microsoft

Product Information
Vendor Microsoft
Product Malware Protection Engine
Version Range Affected
From 1.1.26030.3008 (inclusive)
To 1.1.26040.8 (exclusive)
cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2…
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45584