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2026-11-02 · high
CVE-2026-24301: Command Injection in Microsoft Copilot
Command injection in Microsoft Copilot (CVSS 8.8) allows information disclosure over the network.

CVE-2026-24301 describes a command injection vulnerability in Microsoft Copilot. An unauthorized attacker can exploit this flaw to disclose information over a network. The vulnerability stems from improper neutralization of special elements used in commands. The CVE was published on August 18, 2026.
The vulnerability has a CVSS score of 8.8, placing it in the high severity category. The current status shows that the NVD does not report specific affected versions or patch details. Security community signals detected on social networks (latest posts from November 2, 2026) indicate ongoing interest. No declared public exploit has been registered on the official GitHub repository.
IT administrators and CISOs must immediately verify which versions of Microsoft Copilot are deployed in their organizations. Consult official Microsoft security bulletins to identify available patches. In the interim, restrict access to Copilot in critical environments, increase activity log monitoring, and implement input validation controls. Do not download tools from external repositories: wait for official patches.
At a glance
- What
- Command injection vulnerability in Microsoft Copilot allowing an unauthorized attacker to disclose information over the network through improper neutralization of special elements
- Severity
- CVSS 8.8 (high severity)
- Affected versions
- Not reported in NVD
- Fix
- Not reported in NVD
- Status
- Published August 18, 2026; security community signals detected November 2, 2026; no declared public exploit
- Action
- Verify Microsoft Copilot versions in use; monitor Microsoft security bulletins; restrict Copilot access in critical environments; increase activity log monitoring
Sources: NVD, CVE-2026-24301