CVE-2026-45635
Undergoing Analysis Undergoing Analysis - In Progress
Use After Free in UPnP upnp.dll Component

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-10
AI Q&A
2026-06-09
EPSS Evaluated
N/A
NVD
CVE-2026-45635
EUVD
EUVD-2026-35563
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft universal_plug_and_play *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-843 The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a use-after-free issue in the Universal Plug and Play (upnp.dll) component. It allows an unauthorized attacker to execute code remotely over a network by exploiting the improper handling of memory.

Impact Analysis

The vulnerability can lead to remote code execution, which means an attacker can run arbitrary code on the affected system without authorization. This can result in full compromise of the system, including loss of confidentiality, integrity, and availability.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-45635. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart