PT-2026-24315 · Microsoft · Sharepoint Server

Adi Ivascu · Published 2026-03-10 · Updated 2026-03-16 · CVE-2026-26105

Positive Technologies (AI Summary)

CVSS v3.1

9.4

Critical

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

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

Description The software contains a flaw due to improper neutralization of input during web page generation, leading to a cross-site scripting issue. This allows an unauthorized 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:2026-02872

CVE-2026-26105

Affected Products

Sharepoint Server

References · 10

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26105 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-26105 · Security Note
• https://osv.dev/vulnerability/CVE-2026-26105 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-26105 · Security Note
• https://bdu.fstec.ru/vul/2026-02872 · Security Note
• https://t.me/cveNotify/155470 · Telegram Post
• https://twitter.com/CVEnew/status/2033361139904491836 · Twitter Post
• https://twitter.com/rahsi_aaka/status/2033468066399756795 · Twitter Post
• https://twitter.com/dailycve/status/2032893918384206087 · Twitter Post
• https://twitter.com/TheHackerWire/status/2031471355179446589 · Twitter Post