{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/authenticator/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":9.6,"id":"CVE-2026-41615"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Authenticator"],"_cs_severities":["high"],"_cs_tags":["information-disclosure","cve-2026-41615","microsoft"],"_cs_type":"advisory","_cs_vendors":["Microsoft"],"content_html":"\u003cp\u003eCVE-2026-41615 is a vulnerability affecting Microsoft Authenticator that allows for the exposure of sensitive information to an unauthorized actor, leading to information disclosure over a network. The specifics of how this information is exposed are not detailed in the provided source. Defenders should monitor network traffic and application logs for unusual activity related to Microsoft Authenticator. Further investigation into the exploitation methods of this CVE is needed for more specific mitigation strategies.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker identifies a vulnerable Microsoft Authenticator installation.\u003c/li\u003e\n\u003cli\u003eThe attacker exploits CVE-2026-41615 to trigger the sensitive information exposure.\u003c/li\u003e\n\u003cli\u003eSensitive information within the Microsoft Authenticator application is exposed.\u003c/li\u003e\n\u003cli\u003eThe exposed information is transmitted over the network to the attacker.\u003c/li\u003e\n\u003cli\u003eThe attacker intercepts the network traffic containing the sensitive information.\u003c/li\u003e\n\u003cli\u003eThe attacker gains access to the exposed sensitive information.\u003c/li\u003e\n\u003cli\u003eThe attacker potentially uses the disclosed information for further malicious activities, such as account compromise.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-41615 results in the exposure of sensitive information within Microsoft Authenticator, potentially leading to unauthorized access to user accounts and other sensitive data. The impact could affect any user utilizing Microsoft Authenticator for multi-factor authentication.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor network traffic for suspicious data exfiltration originating from devices running Microsoft Authenticator.\u003c/li\u003e\n\u003cli\u003eEnable and review application logs for Microsoft Authenticator to identify potential exploitation attempts related to CVE-2026-41615.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule detecting network connections from the Microsoft Authenticator process and tune it for your environment.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-14T18:18:36Z","date_published":"2026-05-14T18:18:36Z","id":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-41615-microsoft-authenticator-info-disclosure/","summary":"CVE-2026-41615 describes a vulnerability in Microsoft Authenticator where sensitive information exposure to an unauthorized actor could lead to information disclosure over a network.","title":"CVE-2026-41615 - Microsoft Authenticator Information Disclosure Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-41615-microsoft-authenticator-info-disclosure/"}],"language":"en","title":"CraftedSignal Threat Feed — Authenticator","version":"https://jsonfeed.org/version/1.1"}