Search threats, CVEs… ⌘K
Back to vendor advisories
Microsoft Security Response CenterCVE-2026-47635

Microsoft Outlook and Word Remote Code Execution Vulnerability

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

Read the vendor bulletin Get alerts for Microsoft Office LTSC 2024 for 32-bit editions
8.4CVSS out of 10Critical severity
Scope

What the vendor says is affected

  • Microsoft Office LTSC 2024 for 32-bit editions
  • Microsoft Office LTSC 2024 for 64-bit editions

Versions the vendor lists as fixed

  • https://aka.ms/OfficeSecurityReleases
Next step

What the vendor recommends

Click to Run

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-47635View CVSS, KEV, EPSS, and threat context
Keep investigating
See every advisory from this vendor