Product:
Windows HTTP.sys
Summary
Improper access control in Windows HTTP.sys allows an authorized attacker to elevate privileges over a network. This vulnerability can lead to significant security risks if exploited. Attackers can gain unauthorized access and control over affected systems, potentially compromising sensitive data.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.5 | CVE-2026-20929 |
Exploitation
To exploit this vulnerability, an attacker must have authorized access to the network. By leveraging the improper access control in HTTP.sys, the attacker can elevate their privileges, allowing them to perform unauthorized actions on the system. This requires a high level of attack complexity, making it more challenging but still feasible for skilled attackers.
Affected Products
- Windows HTTP.sys: Affected by improper access control, allowing privilege escalation over the network.
Mitigation
To mitigate this vulnerability, it is essential to apply the latest security updates provided by Microsoft. Regularly monitoring and auditing network access can also help identify and prevent unauthorized access attempts. Implementing strict access controls and user permissions will further reduce the risk of exploitation.