Product:
Microsoft Account
Summary
Improper neutralization of input during web page generation allows an unauthorized attacker to perform spoofing over a network. This vulnerability can lead to significant security risks, including unauthorized access and data manipulation. It is classified as critical due to its high impact on confidentiality and integrity.
Details
| Severity | Base Score | CVE |
|---|---|---|
| CRITICAL | 9.3 | CVE-2026-21264 |
Exploitation
An attacker can exploit this vulnerability by crafting a malicious web page that leverages cross-site scripting techniques. When a user interacts with the compromised page, the attacker can execute scripts in the context of the user’s session, potentially leading to unauthorized actions or data exposure.
Affected Products
- Microsoft Account: Affected by improper input handling during web page generation, leading to potential spoofing attacks.
Mitigation
To mitigate this vulnerability, users should ensure that they are using the latest version of Microsoft Account and apply any available security updates. Additionally, implementing strict input validation and sanitization measures can help prevent cross-site scripting attacks.