Findings

CVE-2025-62564

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

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

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 9, 2025 · NIST NVD

    Detected

    Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

  2. Oct 14, 2026 · NIST NVD

    Updated

    Out-of-bounds read 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

  • CVE.orgVulnerability recordCVE-2025-62564

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-62564

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-2025-62564

    Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

    nvd.nist.gov

References