CVE-2026-45483

MEDIUM

Microsoft Office Project Server Spoofing Vulnerability

Title source: cna
STIX 2.1

Description

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Project Server allows an authorized attacker to perform spoofing over a network.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Microsoft Office Project Server Spoofing Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45483

Scores

CVSS v3 4.6
EPSS 0.0027
EPSS Percentile 18.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (3)
Microsoft/Microsoft SharePoint Enterprise Server 2016 16.0.0 - 16.0.5556.1005
Microsoft/Microsoft SharePoint Server 2019 16.0.0 - 16.0.10417.20153
Microsoft/Microsoft SharePoint Server Subscription Edition 16.0.0 - 16.0.19725.20384
Published Jun 09, 2026
Tracked Since Jun 09, 2026