PT-2026-32720 · Microsoft · Sharepoint Server

Felix B · Published 2026-04-14 · Updated 2026-05-06 · CVE-2026-20945

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.

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:2026-05464

CVE-2026-20945

Affected Products

Sharepoint Server

References · 7

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20945 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-05464 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-20945 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20945 · Security Note
• https://t.me/cveNotify/162404 · Telegram Post
• https://twitter.com/infoflowcloud/status/2045114919662559402 · Twitter Post
• https://twitter.com/CVEnew/status/2045112999623725130 · Twitter Post