Unrated severityNVD Advisory· Published Sep 9, 2025· Updated Feb 20, 2026
Microsoft OfficePlus Spoofing Vulnerability
CVE-2025-55243
Description
Exposure of sensitive information to an unauthorized actor in Microsoft Office Plus allows an unauthorized attacker to perform spoofing over a network.
Affected products
2- Range: 3.0.0.0
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55243mitrevendor-advisorypatch
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