{ "document": { "acknowledgments": [ { "names": [ "Sridhar Periyasamy" ] } ], "aggregate_severity": { "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system", "text": "Critical" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Public", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en-US", "notes": [ { "category": "general", "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle", "title": "Additional Resources" }, { "category": "legal_disclaimer", "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.", "title": "Disclaimer" }, { "category": "general", "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.", "title": "Customer Action" } ], "publisher": { "category": "vendor", "contact_details": "secure@microsoft.com", "name": "Microsoft Security Response Center", "namespace": "https://msrc.microsoft.com" }, "references": [ { "category": "self", "summary": "CVE-2026-41615 Microsoft Authenticator Information Disclosure Vulnerability - HTML", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41615" }, { "category": "self", "summary": "CVE-2026-41615 Microsoft Authenticator Information Disclosure Vulnerability - CSAF", "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-41615.json" }, { "category": "external", "summary": "Microsoft Exploitability Index", "url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1" }, { "category": "external", "summary": "Microsoft Support Lifecycle", "url": "https://support.microsoft.com/lifecycle" }, { "category": "external", "summary": "Common Vulnerability Scoring System", "url": "https://www.first.org/cvss" } ], "title": "Microsoft Authenticator Information Disclosure Vulnerability", "tracking": { "current_release_date": "2026-05-14T07:00:00.000Z", "generator": { "date": "2026-05-14T18:07:42.057Z", "engine": { "name": "MSRC Generator", "version": "1.0" } }, "id": "msrc_CVE-2026-41615", "initial_release_date": "2026-05-12T07:00:00.000Z", "revision_history": [ { "date": "2026-05-14T07:00:00.000Z", "legacy_version": "1", "number": "1", "summary": "Information published." } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_version_range", "name": "<6.2605.2973", "product": { "name": "Microsoft Authenticator for Android <6.2605.2973", "product_id": "2" } }, { "category": "product_version", "name": "6.2605.2973", "product": { "name": "Microsoft Authenticator for Android 6.2605.2973", "product_id": "12289" } } ], "category": "product_name", "name": "Microsoft Authenticator for Android" }, { "branches": [ { "category": "product_version_range", "name": "<6.8.47", "product": { "name": "Microsoft Authenticator for IOS <6.8.47", "product_id": "1" } }, { "category": "product_version", "name": "6.8.47", "product": { "name": "Microsoft Authenticator for IOS 6.8.47", "product_id": "20927" } } ], "category": "product_name", "name": "Microsoft Authenticator for IOS" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-41615", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "notes": [ { "category": "general", "text": "Microsoft", "title": "Assigning CNA" }, { "category": "faq", "text": "An exploited vulnerability can affect resources beyond the security scope managed by the security authority of the vulnerable component. In this case, the vulnerable component and the impacted component are different and managed by different security authorities.", "title": "According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?" }, { "category": "faq", "text": "This vulnerability could expose a sign-in access token for a user’s work account. If disclosed, that token could allow access to data and services that the user is authorized to use, potentially including sensitive organizational information.", "title": "What type of information could be disclosed by this vulnerability?" }, { "category": "faq", "text": "An attacker could attempt to trick a user into interacting with a malicious request that appears legitimate. When the user approves the request, the attacker could cause the app to obtain an access token on the user’s behalf and send it to a location controlled by the attacker, without the user being clearly informed about what access is being granted.", "title": "How could an attacker exploit this vulnerability?" }, { "category": "faq", "text": "Users who have automatic app updates enabled on their Android device will receive the fix without any action required. Users who do not have auto-update enabled must manually update the Microsoft Authenticator app to the latest version via the Google Play Store to ensure they receive the fix.", "title": "Do users need to take any action to receive the fix for the Authenticator app issue on Android?" } ], "product_status": { "fixed": [ "12289", "20927" ], "known_affected": [ "1", "2" ] }, "references": [ { "category": "self", "summary": "CVE-2026-41615 Microsoft Authenticator Information Disclosure Vulnerability - HTML", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41615" }, { "category": "self", "summary": "CVE-2026-41615 Microsoft Authenticator Information Disclosure Vulnerability - CSAF", "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-41615.json" } ], "remediations": [ { "category": "vendor_fix", "date": "2026-05-14T07:00:00.000Z", "details": "6.2605.2973:Security Update:https://play.google.com/store/apps/details?id=com.azure.authenticator", "product_ids": [ "2" ], "url": "https://play.google.com/store/apps/details?id=com.azure.authenticator" }, { "category": "vendor_fix", "date": "2026-05-14T07:00:00.000Z", "details": "6.8.47:Security Update:https://apps.apple.com/us/app/microsoft-authenticator/id983156458", "product_ids": [ "1" ], "url": "https://apps.apple.com/us/app/microsoft-authenticator/id983156458" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "environmentalsScore": 0.0, "exploitCodeMaturity": "UNPROVEN", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "remediationLevel": "OFFICIAL_FIX", "reportConfidence": "CONFIRMED", "scope": "CHANGED", "temporalScore": 8.3, "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C", "version": "3.1" }, "products": [ "1", "2" ] } ], "threats": [ { "category": "impact", "details": "Information Disclosure" }, { "category": "exploit_status", "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely" } ], "title": "Microsoft Authenticator Information Disclosure Vulnerability" } ] }