PT-2025-20989 · Microsoft · Sharepoint Server

Published 2025-05-13 · Updated 2025-05-14 · CVE-2025-30378

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

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

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

Description: The issue concerns the deserialization of untrusted data, which allows an unauthorized attacker to execute code locally. This enables remote attackers to execute arbitrary code and affect the system.

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

RCE

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

BDU:2025-05667

CVE-2025-30378

Affected Products

Sharepoint Server

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2025-30378 · Security Note
• https://bdu.fstec.ru/vul/2025-05667 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-30378 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30378 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30381 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-30378 · Vendor Advisory
• https://twitter.com/dailycve/status/1922671645946159480 · Twitter Post
• https://cybersecurity-help.cz/vdb/SB2025051391 · Note
• https://twitter.com/CVEnew/status/1922339830715056326 · Twitter Post
• https://t.me/cvenotify/122116 · Telegram Post