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CVE-2025-62554.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 7.8CVSS 3.1 · nvd@nist.gov
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSAnalyzedModified Oct 07, 2026

Disclosure summary

Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

Source-reported weakness categories

CWE-843

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2025-62554

Open original source · Updated Oct 07, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

VendorProduct / associationVersion / bounds
microsoft365_apps-
microsoft365_apps-
microsoft365_copilot-
microsoftoffice2016
microsoftoffice2016
microsoftoffice2019
microsoftoffice2019
microsoftoffice_long_term_servicing_channel2021
microsoftoffice_long_term_servicing_channel2021
microsoftoffice_long_term_servicing_channel2021
microsoftoffice_long_term_servicing_channel2024
microsoftoffice_long_term_servicing_channel2024
microsoftoffice_long_term_servicing_channel2024

Original records & references

PUBLISHED 2025-12-09T13:16:00-05:00
MODIFIED 2026-10-07T07:10:00-04:00
INGESTED 2026-10-08T12:35:37-04:00