CVE-2026-24301: CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') in Microsoft Copilot Web
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.
AI Analysis
Technical Summary
This vulnerability (CWE-77) in Microsoft Copilot Web involves improper neutralization of special elements used in commands, enabling command injection. An attacker can exploit this flaw to disclose sensitive information over a network. The CVSS 3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability. The vulnerability requires no privileges but user interaction is needed. Microsoft has published an official fix for this issue.
Potential Impact
Exploitation of this vulnerability can lead to high impact on confidentiality, integrity, and availability by allowing unauthorized command execution and information disclosure over a network. The attacker does not need privileges but requires user interaction to trigger the vulnerability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the patch provided in the Microsoft security update guide for CVE-2026-24301 to remediate this vulnerability.
CVE-2026-24301: CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') in Microsoft Copilot Web
Description
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.
CVSS v3.1
Score 8.8high
Affected software
Microsoft
Copilot Web
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-77) in Microsoft Copilot Web involves improper neutralization of special elements used in commands, enabling command injection. An attacker can exploit this flaw to disclose sensitive information over a network. The CVSS 3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability. The vulnerability requires no privileges but user interaction is needed. Microsoft has published an official fix for this issue.
Potential Impact
Exploitation of this vulnerability can lead to high impact on confidentiality, integrity, and availability by allowing unauthorized command execution and information disclosure over a network. The attacker does not need privileges but requires user interaction to trigger the vulnerability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the patch provided in the Microsoft security update guide for CVE-2026-24301 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-21T21:28:02.969Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24301","vendor":"Microsoft"}]
Threat ID: 6a846020c6e8be033243f9d8
Added to database: 08/18/2026, 13:37:36 UTC
Last enriched: 09/29/2026, 02:49:39 UTC
Last updated: 10/02/2026, 02:46:03 UTC
Views: 89
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