SB2025070926 - Heap-based buffer overflow in Microsoft Windows Miracast Wireless Display

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Main Vulnerability Database SB2025070926

SB2025070926 - Heap-based buffer overflow in Microsoft Windows Miracast Wireless Display

Published: July 9, 2025

Security Bulletin ID SB2025070926
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2025-49691)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Windows Miracast Wireless Display. A remote attacker can trick a victim to connect to a malicious Miracast sink, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References