Exploit for CVE-2026-55040

kitploit · 2026-08-25

Description

SharePoint CVE-2026-55040 exploit creates authentication headers for any valid account.

Affected Microsoft Sharepoint Server versions

Microsoft Sharepoint Server< 16.0.19725.20434, 2016, 2019

All known vulnerabilities by product

Sharepoint Server

CVSS 9.1 for CVE-2026-55040

9.1

HIGH SEVERITY

Version 3.1

VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector:NETWORK

Attack Complexity:LOW

Privileges Required:NONE

User Interaction:NONE

Scope:UNCHANGED

Confidentiality:HIGH

Integrity:HIGH

Availability:NONE

CVE Information

Exploit Details

Modified:2026-08-25 04:32

Last Seen:2026-08-26 03:36

Reporter:KitPloit

Tags

SharePointauthentication headerexploit codevalid accountCVE-2026-55040

Other exploits for CVE-2026-55040

Exploit for CVE-2026-55040

2026-08-26 zenzueGITHUB

2026-08-25 KitPloitKITPLOIT

Exploit for CVE-2026-55040

2026-08-06 sfewer-r7GITHUB

2026-07-14 microsoftUNKNOWN

Exploit Code

MARKDOWN6 lines

## https://sploitus.com/exploit?id=KITPLOIT:TOOLS-GITHUB-L0GGG-CVE-2026-55040
# CVE-2026-55040

Эксплойт-код для CVE-2026-55040, позволяющий создать заголовок аутентификации для любого валидного аккаунта.

Подробности: https://blog.viettelcybersecurity.com/sharepoint-cve-2026-55040/