Product:
Windows Kerberos
Summary
Reliance on untrusted inputs in a security decision in Windows Kerberos allows an authorized attacker to elevate privileges over a network. This vulnerability can lead to significant security risks if exploited. It is crucial for users to be aware of the potential impacts of this issue.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.5 | CVE-2026-20849 |
Exploitation
An attacker with authorized access can exploit this vulnerability by sending specially crafted requests over the network. By manipulating the untrusted inputs, the attacker can gain elevated privileges, allowing them to perform unauthorized actions within the system. This exploitation requires a high level of attack complexity but can have severe consequences.
Affected Products
- Windows Kerberos: Affected by untrusted input handling, allowing privilege escalation.
Mitigation
To mitigate this vulnerability, it is recommended to apply the latest security updates provided by Microsoft. Users should also review their network security configurations and limit access to sensitive systems. Regular monitoring and auditing of network activities can help detect any unauthorized attempts to exploit this vulnerability.