{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cve-2026-33111/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Copilot Chat (Microsoft Edge)"],"_cs_severities":["medium"],"_cs_tags":["cve-2026-33111","command injection","information disclosure"],"_cs_type":"advisory","_cs_vendors":["Microsoft"],"content_html":"\u003cp\u003eCVE-2026-33111 is a command injection vulnerability affecting the Copilot Chat feature within Microsoft Edge. The vulnerability stems from improper neutralization of special elements used in a command, potentially enabling an attacker to inject arbitrary commands. Successful exploitation allows an unauthorized attacker to disclose sensitive information over a network. This vulnerability could allow attackers to gather intelligence about a target system or network, potentially leading to further compromise.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker crafts a malicious input containing command injection sequences.\u003c/li\u003e\n\u003cli\u003eThe attacker sends this input to the Copilot Chat interface within Microsoft Edge.\u003c/li\u003e\n\u003cli\u003eThe Copilot Chat feature processes the input without proper sanitization or validation.\u003c/li\u003e\n\u003cli\u003eThe injected command is executed by the underlying system or application.\u003c/li\u003e\n\u003cli\u003eThe injected command retrieves sensitive information from the system.\u003c/li\u003e\n\u003cli\u003eThe retrieved information is transmitted over the network to the attacker.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-33111 can lead to the disclosure of sensitive information, potentially impacting the confidentiality of data processed by Microsoft Edge\u0026rsquo;s Copilot Chat. The scope of the information disclosure depends on the privileges of the process running Copilot Chat and the commands that can be injected.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply the security update provided by Microsoft to patch CVE-2026-33111 in Copilot Chat (Microsoft Edge).\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule to your SIEM to detect potential exploitation attempts targeting CVE-2026-33111.\u003c/li\u003e\n\u003cli\u003eMonitor network traffic for suspicious outbound connections originating from Microsoft Edge processes after the update to confirm successful remediation.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-07T14:00:00Z","date_published":"2026-05-07T14:00:00Z","id":"/briefs/2024-01-29-copilot-chat-info-disclosure/","summary":"CVE-2026-33111 is a command injection vulnerability in Microsoft Edge's Copilot Chat feature that allows an unauthorized attacker to disclose information over a network.","title":"CVE-2026-33111 Copilot Chat (Microsoft Edge) Information Disclosure Vulnerability","url":"https://feed.craftedsignal.io/briefs/2024-01-29-copilot-chat-info-disclosure/"}],"language":"en","title":"CraftedSignal Threat Feed — Cve-2026-33111","version":"https://jsonfeed.org/version/1.1"}