Findings

CVE-2025-62553

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Published Dec 9, 2025 · updated Oct 14, 2026 · microsoft 365 apps

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 9, 2025 · NIST NVD

    Detected

    Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

  2. Oct 14, 2026 · NIST NVD

    Updated

    Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Affected

  • cpe microsoft/365 appsversion unspecified
  • cpe microsoft/excel2016
  • cpe microsoft/office2019
  • cpe microsoft/office long term servicing channel2021

Sources

References