Product:
Bing
Summary
Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network. This vulnerability poses a significant risk as it can lead to unauthorized access and control over affected systems. Attackers can exploit this flaw without needing any privileges or user interaction.
Details
| Severity | Base Score | CVE |
|---|---|---|
| CRITICAL | 10 | CVE-2026-33819 |
Exploitation
To exploit this vulnerability, an attacker can send specially crafted data to the affected Microsoft Bing service. By manipulating the deserialization process, the attacker can execute arbitrary code on the server, potentially leading to full system compromise. The low attack complexity means that even individuals with limited technical skills can carry out this attack if they have network access.
Affected Products
- Bing: Affected by deserialization of untrusted data, allowing unauthorized code execution.
Mitigation
To mitigate this vulnerability, users should ensure that they are using the latest version of Microsoft Bing and apply any available security updates. Additionally, implementing network security measures to restrict unauthorized access can help reduce the risk of exploitation.