ToolShell: a story of five vulnerabilities in Microsoft SharePoint

On July 19–20, 2025, various security companies and national CERTs published alerts about active exploitation of on-premise SharePoint servers. According to the reports, observed attacks did not require authentication, allowed attackers to gain full control over the infected servers, and Read More …

Disrupting active exploitation of on-premises SharePoint vulnerabilities

Expanded analysis and threat intelligence from Microsoft continued monitoring of exploitation activity by Storm-2603 leading to the deployment of Warlock ransomware. Based on new information, we have updated the Attribution, Indicators of compromise, extended and clarified Mitigation and protection guidance Read More …

Microsoft releases urgent SharePoint security flaw patches

Microsoft has released an urgent patch to fix a zero-day vulnerability affecting on-premises SharePoint servers. The vulnerability is already being exploited in the wild, which is why users are urged to apply the patch immediately and secure their assets. Three Read More …

Google Releases Security Update for Chrome

Google has released version 138.0.7204.157/.158 for Chrome for Windows and Mac and 138.0.7204.157 for Chrome for Linux, which will roll out over the coming days/weeks. The updates address three high severity vulnerabilities, including CVE-2025-6558, which has an exploit in the Read More …

Google Releases Security Updates for Chrome

Google has released updates to Chrome stable channels to address a high severity vulnerability. CVE-2025-6554 is a “type confusion” vulnerability in the V8 JavaScript browser engine. An attacker could exploit this vulnerability to perform arbitrary read/write by convincing a user Read More …

Multiple Brother Devices: Multiple Vulnerabilities (FIXED)

Rapid7 conducted a zero-day research project into multifunction printers (MFP) from Brother Industries, Ltd. This research resulted in the discovery of 8 new vulnerabilities. Some or all of these vulnerabilities have been identified as affecting 689 models across Brother’s range Read More …

BeyondTrust Releases Security Advisory for Remote Support & Privileged Remote Access

BeyondTrust has released a security advisory to address a vulnerability in the Remote Support and Privileged Remote Access systems. Remote Support allows authorised individuals such as IT Helpdesk staff to connect to remote systems. Privileged Remote Access facilitates just-in-time secure Read More …

CVE-2025-4365/CVE Unassigned: NetScaler Console/SDX Authenticated Arbitrary File Read/Write (FIXED)

During root cause analysis for the NetScaler Console vulnerability, CVE-2024-6235, Rapid7 discovered two high severity authenticated arbitrary file read and write vulnerabilities which were disclosed to the vendor in accordance with our disclosure policy. An Arbitrary File Read vulnerability (CVE-2025-4365) Read More …

Apple fixes new iPhone zero-day bug used in Paragon spyware hacks

Researchers revealed on Thursday that two European journalists had their iPhones hacked with spyware made by Paragon. Apple says it has fixed the bug that was used to hack their phones. The Citizen Lab wrote in its report, shared with Read More …

Patch Tuesday – June 2025

Microsoft is addressing 67 vulnerabilities this June 2025 Patch Tuesday. Microsoft has evidence of in-the-wild exploitation for just one of the vulnerabilities published today, and that is reflected in CISA KEV. Separately, Microsoft is aware of existing public disclosure for Read More …