(Pwn2Own) Microsoft SharePoint ToolPane Authentication Bypass Vulnerability

This vulnerability allows remote attackers to bypass authentication on affected installations of Microsoft SharePoint. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ToolPane endpoint. The application does not adequately restrict access to a...

Exploit for Deserialization of Untrusted Data in Microsoft

OurSharePoint - CVE-2025-53770 PoC This is a simple C tool...

National Nuclear Security Administration Systems Breached in SharePoint Cyberattack

National Nuclear Security Administration and National Institutes of Health targeted in global Microsoft SharePoint vulnerability exploitation. Chinese hacking groups suspected in widespread data breaches...

Microsoft Put Older Versions of SharePoint on Life Support. Hackers Are Taking Advantage

Multiple hacking groups—including state actors from China—have targeted a vulnerability in older, on-premises versions of the file-sharing tool after a flawed attempt to patch it...

Imperva Customers Protected Against Critical “ToolShell” Zero‑Day in Microsoft SharePoint

A critical zero-day vulnerability in Microsoft SharePoint, tracked as CVE-2025-53770, is under active exploitation in the wild. The vulnerability, with a CVSS score of 9.8, impacts on-premises SharePoint Server 2016, 2019, and Subscription Edition, and allows unauthenticated remote code execution...

Exploit for Deserialization of Untrusted Data in Microsoft

CVE-2025-53770 Scanner by DanSec A simple, effective reconn...

Hackers Exploit SharePoint Zero-Day Since July 7 to Steal Keys, Maintain Persistent Access

The recently disclosed critical Microsoft SharePoint vulnerability has been under exploitation as early as July 7, 2025, according to findings from Check Point Research. The cybersecurity company said it observed first exploitation attempts targeting an unnamed major Western government, with the...

PT-2025-30549 · Undefined · Undefined

@FBI @CISAgov Federal systems remained unpatched against CVE-2025-35824—a critical SharePoint flaw exploited since July 19—when CISA’s emergency directive dropped 72 hours ago. Now the same agencies warning about ransomware can’t secure their own networks storing defense contracts and health...

Microsoft SharePoint Improper Authentication Vulnerability

Microsoft SharePoint contains an improper authentication vulnerability that allows an authorized attacker to perform spoofing over a network. Successfully exploitation could allow an attacker to view sensitive information and make some changes to disclosed information. This vulnerability could be...

The vulnerability of Microsoft SharePoint Server and SharePoint Enterprise Server lies in the incorrect path name restrictions for the restricted access catalog, allowing attackers to perform spear-phishing attacks.

The vulnerability of Microsoft SharePoint Server and SharePoint Enterprise Server packages is related to incorrect restrictions on the path name to the restricted access catalog. Exploiting this vulnerability could allow a malicious actor to perform spear-phishing attacks remotely...

Exploit for Deserialization of Untrusted Data in Microsoft

CVE-2025-53770-Checker Comprueba si un servidor SharePoint on-...

Exploit for Deserialization of Untrusted Data in Microsoft

CVE-2025-53770 SharePoint Vulnerability Scanner 100% hacked t...

Exploit for Deserialization of Untrusted Data in Microsoft

CVE-2025-53770 This is a scanner for the SharePoint unauthen...

⚡ Weekly Recap: SharePoint 0-Day, Chrome Exploit, macOS Spyware, NVIDIA Toolkit RCE and More

Even in well-secured environments, attackers are getting in—not with flashy exploits, but by quietly taking advantage of weak settings, outdated encryption, and trusted tools left unprotected. These attacks don’t depend on zero-days. They work by staying unnoticed—slipping through the cracks in...

Exploit for Deserialization of Untrusted Data in Microsoft

🔐 Bluefire Redteam – SharePoint CVE-2025-53770 Detection & Rem...

Microsoft SharePoint Remote Code Execution Vulnerability

SharePoint Server is a locally deployed enterprise collaboration platform from Microsoft that supports content sharing, knowledge management, and application integration, and works seamlessly with Microsoft 365 subscriptions to access the latest features. A remote code execution vulnerability...

Microsoft SharePoint Remote Code Execution Vulnerability (CNVD-2025-17497)

Microsoft SharePoint is an enterprise business collaboration platform from Microsoft. The platform is used to consolidate business information and enable sharing of work, collaborating with others, organizing projects and workgroups, and searching for people and information. A remote code executi...

Critical Unpatched SharePoint Zero-Day Actively Exploited, Breaches 75+ Company Servers

A critical security vulnerability in Microsoft SharePoint Server has been weaponized as part of an "active, large-scale" exploitation campaign. The zero-day flaw, tracked as CVE-2025-53770 CVSS score: 9.8, has been described as a variant of CVE-2025-49704 CVSS score: 8.8, a code injection and...

PT-2025-30222

Name of the Vulnerable Software and Affected Versions Microsoft Office SharePoint affected versions not specified Description Microsoft Office SharePoint contains an authentication bypass issue in the ToolPane. This is caused by improper authentication and incorrect limitation of a pathname to a...

Customer guidance for SharePoint vulnerability CVE-2025-53770

Revision Change Date 1.0 Information published 07/19/25 2.0 Clarified affected SharePoint product in summary 07/20/25 Added fix availability guidance Provided additional protections guidance regarding: Upgrade SharePoint products to supported versions if required Install July 2025 Security Update...