cve-2026-44823

CVE-2026-44823 is a remote code execution vulnerability in Microsoft Excel that affects multiple Office products, including Office LTSC for Mac 2021, Office LTSC for Mac 2024, and Microsoft 365 for Mac. As of the June 9, 2026 advisory, security updates for Mac versions were not yet available, highlighting a fragmented patch reality despite unified branding. Discussions on WindowsForum.com focus on the delayed Mac patches, the Excel flaw's listing across affected products, and the implications for administrators managing mixed-platform Office environments. The tag covers advisory details, patch status, and platform-specific deployment challenges.