CVE-2025-55243

Microsoft OfficePlus Spoofing Vulnerability

Published Sep 9, 2025 CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed
Description
Exposure of sensitive information to an unauthorized actor in Microsoft Office Plus allows an unauthorized attacker to perform spoofing over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-27337 Exposure of sensitive information to an unauthorized actor in Microsoft Office Plus allows an unauthorized attacker to perform spoofing over a network.
History
Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:officeplus:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Microsoft
Microsoft officeplus
Vendors & Products Microsoft
Microsoft officeplus
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Exposure of sensitive information to an unauthorized actor in Microsoft Office Plus allows an unauthorized attacker to perform spoofing over a network.
Title Microsoft OfficePlus Spoofing Vulnerability
Weaknesses CWE-200
References
Metrics cvssV3_1

{'score': 7.5, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Feb 20, 2026, 4:00 PM
Reserved
Aug 11, 2025, 8:26 PM
Status
Analyzed
Published
Sep 9, 2025, 5:16 PM
Modified
Jun 17, 2026, 9:41 AM