Vulnerabilities
Microsoft Office Excel for Mac Remote Code Execution Vulnerability CVE-2026-97759 Fixed
Microsoft has issued a patch for a remote code execution flaw in Excel for Mac (CVE‑2026‑97759). The vulnerability could allow attackers to run arbitrary code via a crafted workbook. Office for Mac users should update immediately; other platforms are unaffected.
Microsoft released a patch for a remote code execution flaw in Excel for Mac, identified as CVE‑2026‑97759. The issue could allow an attacker to execute arbitrary code by delivering a crafted Excel file to a vulnerable user.
What happened
The vulnerability exists in the Excel component of Microsoft Office for Mac. It was discovered during internal security testing and is now publicly disclosed.
Impact
Only the Mac version of Office is affected. Windows, Linux, and other Office products are not vulnerable. The flaw can lead to full system compromise if an attacker successfully delivers a malicious workbook.
What to do
Install the latest Office update for Mac immediately. The update is available through the standard Microsoft Update channel or by downloading the patch from Microsoft’s release notes. Verify that the installed version is 2026.97759 or later.
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