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Microsoft has disclosed a new security flaw in Microsoft Teams that could allow attackers to perform spoofing attacks on local devices. Tracked as CVE-2026-32185, the vulnerability affects Microsoft Teams for Android and was revealed during the May 2026 Patch Tuesday updates.

The issue stems from improper file and directory access handling inside the Teams app, potentially allowing malicious actors to impersonate trusted content or communications. Although the attack requires local access and user interaction, the flaw poses a significant risk to enterprise environments handling sensitive business data.

Protect your mobile devices from spoofing, phishing, and fake communication attacks with NPAV Fraud Protector.Protect your mobile devices from spoofing, phishing, and fake communication attacks with NPAV Fraud Protector.

Microsoft rated the vulnerability as Important with a CVSS score of 5.5. No active exploitation has been reported so far, but security experts recommend immediate patching to reduce exposure.

The vulnerability has been fixed in Microsoft Teams for Android build 1.0.0.2026092103, now available through the Google Play Store. Organizations and users are advised to update their devices immediately, especially in corporate or regulated environments where Teams is widely used.


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