Microsoft disclosed a critical zero-day vulnerability in Office products on January 26, 2026, tracked as CVE-2026-21509, with active exploitation in the wild confirmed. The vulnerability enables attackers to deploy sophisticated malware through malicious document files, targeting government organizations and critical infrastructure. Indicator Type Value CVE CVE-2026-21509 Malicious Domains freefoodaid[.]com, wellnesscaremed[.]com, wellnessmedcare[.]org C2 Infrastructure *.filen.net, *.filen.io […] The post Zero-Day in Microsoft Office Enables Stealthy Malware Infections appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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