CVE-2026-68793HighCVSS 7.8
Microsoft Excel Remote Code Execution Vulnerability
🔗 CVE IDs covered (1)
📋 Description
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
🎯 Affected products14
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft Excel 2016 (32-bit edition)
- Microsoft Excel 2016 (64-bit edition)
- Microsoft Office 2019 for 32-bit editions
- Microsoft Office 2019 for 64-bit editions
- Microsoft Office 365 for Mac
- Microsoft Office LTSC 2021 for 32-bit editions
- Microsoft Office LTSC 2021 for 64-bit editions
- Microsoft Office LTSC 2024 for 32-bit editions
- Microsoft Office LTSC 2024 for 64-bit editions
- Microsoft Office LTSC for Mac 2021
- Microsoft Office LTSC for Mac 2024
- Office Online Server
✅ Remediation
KB5002884 (Security Update) — fixed build 16.0.10417.20175 KBClick to Run (Security Update) — fixed build https://aka.ms/OfficeSecurityReleases KBRelease Notes (Security Update) — fixed build 16.112.26081010 KB5002903 (Security Update) — fixed build 16.0.5565.1001
🔗 References (8)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68793
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108727
- referencehttps://support.microsoft.com/help/5002884
- referencehttps://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
- patchhttps://go.microsoft.com/fwlink/p/?linkid=831049
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108780
- referencehttps://support.microsoft.com/help/5002903
- patchhttps://www.microsoft.com/en-us/microsoft-365/mac/microsoft-365-for-mac?msockid=35f9adb0e74b61392038b90de6fe608c