Product:
Copilot
Summary
Improper neutralization of escape, meta, or control sequences in Copilot allows an unauthorized attacker to disclose information over a network. This vulnerability can lead to significant confidentiality issues as sensitive information may be exposed. The attack requires user interaction, making it a targeted threat.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.4 | CVE-2026-21521 |
Exploitation
To exploit this vulnerability, an attacker must trick a user into interacting with a malicious input that takes advantage of the improper handling of escape sequences. Once the user engages with the compromised input, the attacker can potentially disclose sensitive information over the network. This requires low complexity and no privileges, making it accessible to a wide range of attackers.
Affected Products
- Copilot: A tool that assists users in various tasks but is vulnerable to information disclosure due to improper handling of input sequences.
Mitigation
To mitigate this vulnerability, users should ensure that they are using the latest version of Copilot and apply any available security updates. Additionally, educating users about the risks of interacting with untrusted inputs can help reduce the likelihood of exploitation.