Fortinet has released 18 security advisories to address a range of security vulnerabilities in multiple products. Three of the advisories address two high severity vulnerabilities in FortiClient for Windows and one high severity vulnerability in FortiOS affecting SSLVPN sessions.
FortiClient and FortiOS provide an endpoint detection and response (EDR) solution, a virtual private network (VPN) solution, and other security functionality. In addition to the three vulnerabilities highlighted below, full details for other affected products can be found at the Fortinet Security Advisories website
Read more…
Source: NHS Digital
Related:
- Fortinet admits FortiGate SSO bug still exploitable despite December patch
January 23, 2026
Fortinet has confirmed that attackers are actively bypassing a December patch for a critical FortiCloud single sign-on (SSO) authentication flaw after customers reported suspicious logins on devices supposedly fully up to date. In a new advisory, Fortinet said it had identified a fresh attack path being used to abuse SAML-based SSO in FortiOS, even on systems ...
- VMware vCenter Server bug fixed in 2024 under attack today
January 23, 2026
You’ve got to keep your software updated. Some unknown miscreants are exploiting a critical VMware vCenter Server bug more than a year after Broadcom patched the flaw. The vulnerability, tracked as CVE-2024-37079, is an out-of-bounds write flaw in vCenter Server’s implementation of the DCERPC protocol that earned a 9.8 out of 10 CVSS rating. In other ...
- Cisco has finally patched a maximum-level security issue
January 16, 2026
A maximum-severity vulnerability in certain Cisco products has finally been addressed after allegedly being exploited by Chinese hackers for several weeks. In mid-December 2025, the networking giant disclosed a remote code execution (RCE) vulnerability in AsyncOS that affects Secure Email Gateway (SEG) and Secure Email and Web Manager (SEWM) appliances. It tracked the flaw as CVE-2025-20393 ...
- “Reprompt” attack lets attackers steal data from Microsoft Copilot
January 15, 2026
Researchers found a method to steal data which bypasses Microsoft Copilot’s built-in safety mechanisms. The attack flow, called Reprompt, abuses how Microsoft Copilot handled URL parameters in order to hijack a user’s existing Copilot Personal session. Copilot is an AI assistant which connects to a personal account and is integrated into Windows, the Edge browser, and ...
- Patch Tuesday – January 2026
January 14, 2026
Microsoft is publishing 114 vulnerabilities this January 2026 Patch Tuesday. Today’s menu includes just one vulnerability marked as exploited in the wild, as well as two vulnerabilities where Microsoft is aware of public disclosure. There are no critical remote code execution or elevation of privilege vulnerabilities. So far this month, Microsoft has already provided patches to ...
- Why iPhone users should update and restart their devices now
January 13, 2026
If you were still questioning whether iOS 26+ is for you, now is the time to make that call. Why? On December 12, 2025, Apple patched two WebKit zero‑day vulnerabilities linked to mercenary spyware and is now effectively pushing iPhone 11 and newer users toward iOS 26+, because that’s where the fixes and new memory ...

