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Microsoft Excel Remote Code Execution Vulnerability

CVSS 3.1 7.8 HIGHCheck source for fixed versionsKEV status unknown

Historical advisory recorded 28 Oct 2026 21:55:13 UTC. Read the latest advisory.

cve-program · CVE-2026-68807

Published

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

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-68807

Published

Microsoft Office 365 for Mac

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Microsoft",
                    "product": "Microsoft Office 365 for Mac",
                    "versions": [
                        {
                            "version": "1.0.0",
                            "lessThan": "16.112.26081010",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 15 Nov 13:16 UTC · 255 of 275 readable · 250 fully read · documentation 469/469 current