MEDIUM Published September 8, 2026

CVE-2026-64918

Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform spoofing over a network.

CVSS base score

6.5 (v3.1)

Severity

MEDIUM

Attack vector

Network

Weakness

CWE-522

Last modified

October 30, 2026

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

microsoft 365 apps microsoft office 2016 microsoft office 2019 microsoft office 2021 microsoft office 2024

View full NVD advisory →

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