Blog.Malwarebytes Bug in Microsoft Authenticator Allows Code Interception on Mobile Devices
Article Content
- •A bug in Microsoft Authenticator could allow code interception by malicious apps.
- •The vulnerability affects both Android and iOS users of the app.
- •Users are advised to update their Microsoft Authenticator app immediately.
A vulnerability in Microsoft Authenticator for Android and iOS could enable malicious apps on the same device to intercept authentication codes or sign-in links. This issue affects users of both platforms who utilize the app for two-factor authentication. The attack vector involves the exploitation of the app's code, potentially allowing unauthorized access to user accounts. While specific numbers of affected users are not provided, the widespread use of Microsoft Authenticator suggests a significant potential impact. The current status of the vulnerability is under investigation, with users advised to update their apps immediately. No CVEs have been disclosed in the articles, indicating that this may be a newly discovered issue. Security professionals are urged to monitor for updates from Microsoft regarding this vulnerability. The situation is evolving, and further details may emerge as the investigation continues.
Ask AI about this cluster
Answers cite the sources they use
Timeline
More articles in this cluster (3)
Following this threat?
Track Microsoft in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.
Free account · no card needed
Continue Reading
.NET Vulnerability CVE-2026-111497 Requires Immediate Action On October 25, 2026, Microsoft released out-of-band security updates for.NET addressing CVE-2026-111497, a vulnerability in the Brotli decompression algorithm that allows unauthorized attackers to elevate privileges over a network. The flaw affects.NET versions 8, 9, 10, and 11, particularly in applications that…
Critical BeyondTrust 9.3 Vulnerability Actively Exploited by Threat Actor A critical vulnerability (CVE-2026-102764) in BeyondTrust Remote Support has been discovered and is actively being exploited by the threat group ARMORY CASTLE, reportedly linked to China. The vulnerability, which has a CVSS score of 9.3, allows unauthenticated attackers to upload files and potentially compromise host…