CVE-2026-33111: CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') in Microsoft Copilot Chat (Microsoft Edge)
Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to disclose information over a network.
AI Analysis
Technical Summary
This vulnerability (CWE-77) in Microsoft Copilot Chat (Microsoft Edge) arises from improper neutralization of special elements in commands, enabling command injection. An attacker without privileges or user interaction can exploit this to disclose sensitive information over the network. The vulnerability is rated high severity with a CVSS 3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N). Microsoft has released an official fix for this issue as indicated in their security advisory.
Potential Impact
Successful exploitation of this vulnerability allows an unauthorized attacker to disclose sensitive information over the network. There is no indication of integrity or availability impact. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33111 to remediate this vulnerability.
CVE-2026-33111: CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') in Microsoft Copilot Chat (Microsoft Edge)
Description
Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to disclose information over a network.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-77) in Microsoft Copilot Chat (Microsoft Edge) arises from improper neutralization of special elements in commands, enabling command injection. An attacker without privileges or user interaction can exploit this to disclose sensitive information over the network. The vulnerability is rated high severity with a CVSS 3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N). Microsoft has released an official fix for this issue as indicated in their security advisory.
Potential Impact
Successful exploitation of this vulnerability allows an unauthorized attacker to disclose sensitive information over the network. There is no indication of integrity or availability impact. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33111 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-17T20:15:23.720Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33111","vendor":"Microsoft"}]
Threat ID: 69fd029bcbff5d8610389b7e
Added to database: 5/7/2026, 9:22:35 PM
Last enriched: 5/7/2026, 9:37:51 PM
Last updated: 5/9/2026, 2:07:19 AM
Views: 16
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