What is CVE-2026-68800?

CVE-2026-68800 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Excel Remote Code Execution Vulnerability

Which CVE IDs does CVE-2026-68800 cover?

CVE-2026-68800 covers the following CVE IDs: CVE-2026-68800. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-68800?

CVE-2026-68800 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-68800?

CVE-2026-68800 affects 1 product, including: Microsoft Office 365 for Mac.

CVE-2026-68800HighCVSS 7.8

Microsoft Excel Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

August 14, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-68800 →

📋 Description

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

🎯 Affected products1

Microsoft Office 365 for Mac

✅ Remediation

KBRelease Notes (Security Update) — fixed build 16.112.26081010

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68800
patchhttps://www.microsoft.com/en-us/microsoft-365/mac/microsoft-365-for-mac?msockid=35f9adb0e74b61392038b90de6fe608c