CVE-2026-57092
CWE-416Published: July 14, 2026· Updated: Jul 14, 2026
Official Description
Use after free in Windows VMSwitch allows an authorized attacker to elevate privileges over a network.
Risk Analysis
This critical use-after-free vulnerability in Windows VMSwitch allows an authorized attacker to elevate their privileges. With a CVSS score of 9.9, this flaw presents an extremely high risk of an attacker gaining full control over affected systems.
There is no public exploit known for this vulnerability. However, its remote exploitability (AV:N) means an attacker could potentially exploit it over a network.
Apply the latest security updates for Windows VMSwitch to patch this vulnerability. Regularly review and restrict network access to critical virtualization components.
Technical Analysis
CVE-2026-57092 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.9.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (1)
Quick Facts
Related CVEs (CWE-416)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-57092 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts