CVE-2026-21511

Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network...

Security Updates for Microsoft Word Products (February 2026)

The Microsoft Word Products are missing a security update. They are, therefore, affected by multiple spoofing vulnerabilities: - Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network. CVE-2026-21511 - A spoofing...