CVE-2026-41615
CVE-2026-41615 is a critical-severity vulnerability in Microsoft Authenticator with a CVSS 3.x base score of 9.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.
Key facts
- Severity: Critical (CVSS 3.x base score 9.6)
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-30342
- Weakness: CWE-200
- Affected product: Microsoft Authenticator
- Published:
- Last modified:
Description
Exposure of sensitive information to an unauthorized actor in Microsoft Authenticator allows an unauthorized attacker to disclose information over a network.
Frequently asked questions
- What is CVE-2026-41615?
- Exposure of sensitive information to an unauthorized actor in Microsoft Authenticator allows an unauthorized attacker to disclose information over a network.
- How severe is CVE-2026-41615?
- CVE-2026-41615 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-41615 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-41615?
- CVE-2026-41615 primarily affects Microsoft Authenticator. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-41615?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-41615 have an EU (EUVD) identifier?
- Yes. CVE-2026-41615 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30342.
- When was CVE-2026-41615 published?
- CVE-2026-41615 was published on 2026-05-14 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:microsoft:authenticator:*:*:*:*:*:iphone_os:*:*
- cpe:2.3:a:microsoft:authenticator:*:*:*:*:*:android:*:*
More vulnerabilities in Microsoft Authenticator
- CVE-2024-21390 — High (CVSS 7.1): Microsoft Authenticator Elevation of Privilege Vulnerability
- CVE-2026-26123 — Medium (CVSS 5.5): Cwe is not in rca categories in Microsoft Authenticator allows an unauthorized attacker to disclose information locally.
All CVEs affecting Microsoft Authenticator →
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