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Unrated severityNVD Advisory· Published Aug 12, 2025· Updated Feb 26, 2026

Microsoft Excel Remote Code Execution Vulnerability

CVE-2025-53759

Description

Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Affected products

8
  • Microsoft/Office Excelllm-fuzzy
  • Microsoft/Microsoft 365 Apps for Enterprisev5
    Range: 16.0.1
  • Microsoft/Microsoft Office 2019v5
    Range: 19.0.0
  • Microsoft/Microsoft Office LTSC 2021v5
    Range: 16.0.1
  • Microsoft/Microsoft Office LTSC 2024v5
    Range: 16.0.0
  • Microsoft/Microsoft Office LTSC for Mac 2021v5
    Range: 16.0.1
  • Microsoft/Microsoft Office LTSC for Mac 2024v5
    Range: 16.0.0
  • Microsoft/Office Online Serverv5
    Range: 16.0.0.0

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

News mentions

0

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