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Status published
High
CVE-2025-55243
Microsoft OfficePlus Spoofing Vulnerability
Vulnerability Description
Exposure of sensitive information to an unauthorized actor in Microsoft Office Plus allows an unauthorized attacker to perform spoofing over a network.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Microsoft
View all reports →Affected Software
Microsoft OfficePLUS
Vulnerable Versions:
3.0.0.0
Timeline
Official Publish:
September 9th, 2025
Last Modified:
February 20th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C