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Findings

Vulnerability · CVE-2025-30379

Release of invalid pointer or reference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Published May 13, 2025 · corrected/updated Feb 13, 2026 · Microsoft Microsoft Office LTSC for Mac 2021 · evidence confidence high

Release of invalid pointer or reference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-30379 is a high public vulnerability record for Microsoft Microsoft Office LTSC for Mac 2021. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Microsoft Microsoft Office LTSC for Mac 2021 is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Microsoft Microsoft Office LTSC for Mac 2021 16.0.1 <16.97.25042725 (16.0.1 <16.97.25042725). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 7.8 (technical impact); EPSS 57.0% (30-day exploitation probability). It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: euvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Patch and remediation

    Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

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. May 13, 2025 · EUVD

    Detected

    Release of invalid pointer or reference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

  2. Feb 13, 2026 · EUVD

    Updated

    Release of invalid pointer or reference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Affected

  • vendor Microsoft Microsoft Office LTSC for Mac 2021 16.0.1 <16.97.2504272516.0.1 <16.97.25042725

Sources

  • EUVDVulnerability recordEUVD-2025-14455

    Release of invalid pointer or reference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

    euvd.enisa.europa.eu

References