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medium threat

Multiple Vulnerabilities in Mutt Email Client Lead to Potential DoS

A remote, anonymous attacker can exploit multiple vulnerabilities in mutt to bypass security measures and cause a denial-of-service condition.

exploited mutt denial-of-service email
2r 3t
high threat

Q1 2026 Email Threat Landscape: Rise in Phishing Techniques and Tycoon2FA Disruption

In Q1 2026, email threats increased, including credential phishing, QR code phishing, and CAPTCHA-gated campaigns, with Microsoft's disruption of the Tycoon2FA phishing platform leading to a 15% volume decrease and shifts in threat actor tactics; BEC activity remained prevalent at 10.7 million attacks.

Microsoft Defender Storm-1747 email phishing credential-theft Tycoon2FA BEC
2r 1t
high advisory

Apple Account Notification Phishing Campaign

A phishing campaign is abusing legitimate Apple account change notifications to deliver fake iPhone purchase scams, tricking users into calling malicious support numbers.

apple phishing callback phishing email
2r 1t 5i
medium advisory

Outlook Security Settings Registry Modification

Attackers modify Outlook security settings via registry changes to enable malicious mail rules and bypass security controls, potentially leading to persistence and data compromise.

Microsoft Outlook persistence registry_modification outlook email
2r 1t