ToolShell: a story of five vulnerabilities in Microsoft SharePoint

🗓️ 25 Jul 2025 07:00:05Reported by Boris Larin, Georgy Kucherin, Ilya SavelyevType

Exploitations of vulnerabilities in Microsoft SharePoint led to severe attacks on global servers in 2025.

Reporter	Title	Published	Views	Family All 327
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	28 Jul 202522:41	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	25 Jul 202520:43	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	21 Jul 202518:43	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	27 Jul 202520:55	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	23 Sep 202519:05	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	26 Jul 202510:54	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	23 Jul 202521:02	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	22 Jul 202522:33	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	2 Aug 202508:00	–	githubexploit
GithubExploit	Exploit for Deserialization of Untrusted Data in Microsoft	24 Jul 202501:14	–	githubexploit

25 Jul 2025 07:00Current

9High risk

Vulners AI Score9

CVSS 26.8

CVSS 3.17.8 - 9.8

EPSS0.99982

SSVC