CVE-2025-55243

High

Description

Exposure of sensitive information to an unauthorized actor in Microsoft Office Plus allows an unauthorized attacker to perform spoofing over a network.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Microsoft Officeplus

PublishedSep 9, 2025

First seenSep 9, 2025

Weakness typeCWE-200Sensitive information exposure

How to fix

Update

microsoft officeplus3.10.0.26585 or later

Patches

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55243

Affected products

Product	Affected versions	Fixed in
microsoft officeplus	v < 3.10.0.26585	3.10.0.26585

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