PT-2026-47962 · Microsoft · Sharepoint Server

CVE-2026-45479 · Published 2026-06-09 · Updated 2026-06-09

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions Microsoft Office SharePoint (affected versions not specified)

Description Improper neutralization of input during web page generation leads to cross-site scripting, which allows an authorized attacker to perform spoofing over a network. Cross-site scripting is a technique where malicious scripts are injected into trusted websites.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2026-08286

CVE-2026-45479

Affected Products

Sharepoint Server

References · 5

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-45479 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-45479 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45479 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-08286 · Security Note
• https://twitter.com/windowsforum/status/2064406980282712532 · Twitter Post