Product:
Windows Telephony Service
Summary
Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally. This vulnerability can lead to significant security risks if exploited. Attackers with local access can gain higher privileges than intended, potentially compromising the system.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2026-40382 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the system. By leveraging the use after free condition, the attacker can manipulate memory to execute arbitrary code with elevated privileges. This can be achieved through specially crafted inputs or by interacting with the affected service in a specific manner.
Affected Products
- Windows Telephony Service: A service that manages telephony functions in Windows, which is vulnerable to privilege escalation due to a use after free condition.
Mitigation
To mitigate this vulnerability, it is recommended to apply the latest security updates provided by Microsoft. Users should ensure that their systems are up to date and follow best practices for securing local access to prevent unauthorized exploitation.