⚡ TL;DR | Go Straight to the February 202 6 Patch Tuesday Audit Report Patch Tuesday is once again upon us. As always, our team has put together the monthly Patch Tuesday Report to help you manage your update progress. The audit report gives you a quick and clear overview of your Windows machines and their patching status. The February 2026 edition of Patch Tuesday brings us 57 fixes, with 3 rated as critical, 6 of which is actively exploited. We’ve listed the most important changes below. Windows Shell Security Feature Bypass Vulnerability The first exploited vulnerability this month is CVE-2026-21510 , a Windows Shell security feature bypass where a remote attacker, with no privileges, can trick a user into opening a malicious link or shortcut to bypass protections like SmartScreen and Windows Shell security prompts, potentially allowing attacker-controlled content to execute without warning. Microsoft indicates exploitation has been detected. MSHTML Framework Security Feature Bypass Vulnerability The second exploited vulnerability this month is CVE-2026-21513 , a security feature bypass in the MSHTML Framework where a remote attacker with no privileges can trick a user into opening a malicious HTML file or .lnk shortcut (via link/email/download) to bypass file execution prompts, potentially enabling attacker-controlled content to run and leading to code execution. Microsoft Word Security Feature Bypass Vulnerability Last but not least is a third exploited vulnerability CVE-2026-21514 , a Microsoft Word security feature bypass where a user opening a booby-trapped Office document can cause Word to make security decisions based on untrusted input, undermining Microsoft 365/Office protections designed to block risky COM/OLE behavior (it does not trigger via the Preview Pane). Run the Patch Tuesday February 2026 Audit To help manage your update progress, we’ve created the Patch Tuesday Audit that checks if the assets in your network are on the latest patch updates. The report has been color-coded to see which machines are up-to-date and which ones still need to be updated. As always, system administrators are urged to update their environment as soon as possible to ensure all endpoints are secured. The Lansweeper Patch Tuesday report is automatically added to your Lansweeper Site. Lansweeper Sites is included in all our licenses without any additional cost and allows you to federate all your installations into one single view so all you need to do is look at one report, automatically added every patch Tuesday! Run the February Patch Tuesday Audit Patch Tuesday February 2026 CVE Codes & Titles CVE Number CVE Title CVE-2026-23655 Microsoft ACI Confidential Containers Information Disclosure Vulnerability CVE-2026-21537 Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability CVE-2026-21533 Windows Remote Desktop Services Elevation of Privilege Vulnerability CVE-2026-21531 Azure SDK for Python Remote Code Execution Vulnerability CVE-2026-21529 Azure HDInsight Spoofing Vulnerability CVE-2026-21528 Azure IoT Explorer Information Disclosure Vulnerability CVE-2026-21527 Microsoft Exchange Server Spoofing Vulnerability CVE-2026-21525 Windows Remote Access Connection Manager Denial of Service Vulnerability CVE-2026-21523 GitHub Copilot and Visual Studio Code Remote Code Execution Vulnerability CVE-2026-21522 Microsoft ACI Confidential Containers Elevation of Privilege Vulnerability CVE-2026-21519 Desktop Window Manager Elevation of Privilege Vulnerability CVE-2026-21518 GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability CVE-2026-21517 Windows App for Mac Installer Elevation of Privilege Vulnerability CVE-2026-21516 GitHub Copilot for Jetbrains Remote Code Execution Vulnerability CVE-2026-21514 Microsoft Word Security Feature Bypass Vulnerability CVE-2026-21513 MSHTML Framework Security Feature Bypass Vulnerability CVE-2026-21512 Azure DevOps Server Cross-Site Scripting Vulnerability CVE-2026-21511 Microsoft Outlook Spoofing Vulnerability CVE-2026-21510 Windows Shell Security Feature Bypass Vulnerability CVE-2026-21508 Windows Storage Elevation of Privilege Vulnerability CVE-2026-21261 Microsoft Excel Information Disclosure Vulnerability CVE-2026-21260 Microsoft Outlook Spoofing Vulnerability CVE-2026-21259 Microsoft Excel Elevation of Privilege Vulnerability CVE-2026-21258 Microsoft Excel Information Disclosure Vulnerability CVE-2026-21257 GitHub Copilot and Visual Studio Elevation of Privilege Vulnerability CVE-2026-21256 GitHub Copilot and Visual Studio Remote Code Execution Vulnerability CVE-2026-21255 Windows Hyper-V Security Feature Bypass Vulnerability CVE-2026-21253 Mailslot File System Elevation of Privilege Vulnerability CVE-2026-21251 Cluster Client Failover (CCF) Elevation of Privilege Vulnerability CVE-2026-21250 Windows HTTP.sys Elevation of Privilege Vulnerability CVE-2026-21249 Windows NTLM Spoofing Vulnerability CVE-2026-21248 Windows Hyper-V Remote Co