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Patch management fixes known software flaws before attackers exploit them, reducing intrusion risk; prioritize critical systems and verify deployment.

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Patch is a software, firmware, or configuration update that fixes a defect, including a vulnerability an attacker could use to gain access, execute code, escalate privileges, or expose data. Patching reduces the exploitable attack surface across operating systems, applications, network devices, and embedded systems; it does not remove risk from unsupported or misconfigured assets, and updates can sometimes introduce compatibility or availability problems.

Effective patch management starts with an accurate inventory and vulnerability assessment, then prioritizes internet-facing systems, high-impact assets, and flaws known to be exploited. Organizations should test updates where practical, deploy them within defined time limits, verify installation, and retain rollback or compensating controls when immediate patching is unsafe. Monitoring vendor advisories and threat intelligence can identify urgent fixes, while documenting exceptions and coverage supports vulnerability management and audit requirements.

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Showing 20 most recent headlines of 32 Filtered view

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Fortinet FortiSandbox and Microsoft SharePoint flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Fortinet FortiSandbox and Microsoft SharePoint flaws to its Known Exploited Vulnerabilities (KEV) catalog. This week, Microsoft’s July 2026 Patch Tuesday addressed the SharePoint remote code execution bug […]

Security Affairs 18 Jul 2026, 11:49 p.m. America CISA Flaw Fortinet Microsoft Patch Patch Tuesday Remote Code Execution Vulnerability

LegacyHive PoC exposes a Windows Privilege Escalation flaw affecting fully patched Windows desktop and server systems. Just hours after Microsoft’s July 2026 Patch Tuesday, security researcher Nightmare Eclipse, also known as Chaotic Eclipse, published a new Windows zero-day proof-of-concept called LegacyHive. This time, the target is the Windows User Profile Service (ProfSvc), and unlike the […]

Security Affairs 16 Jul 2026, 4:57 a.m. Theme · 4 stories 0-Day Exploit Flaw Microsoft Patch Patch Tuesday PoC Privilege Escalation

Patch Tuesday: Microsoft fixes a record 621 CVEs, including 2 exploited zero-days and critical flaws affecting SharePoint, RDP, Hyper-V, and AD FS. Microsoft’s July 2026 Patch Tuesday is, by a significant margin, the largest single-month security release in the company’s history. The Zero Day Initiative counted 621 new Microsoft CVEs for the month, and the […]

Security Affairs 15 Jul 2026, 9:33 a.m. Theme · 2 stories Critical Vulnerability Flaw Microsoft Patch Patch Tuesday

Ubiquiti patched seven UniFi OS flaws, including critical CVE-2026-50746, which allows command injection in UniFi Connect Application. Ubiquiti released security updates for seven critical UniFi OS vulnerabilities, including a maximum-severity flaw, tracked as CVE-2026-50746 (CVSS score of 10.0), enabling command injection attacks. The issue affects UniFi Connect Application versions 3.4.16 and earlier, a platform used […]

Security Affairs 9 Jul 2026, 8:20 a.m. Incident · 5 stories CVE-2026-50746 Critical Vulnerability CVE Flaw Patch Privilege Escalation Ubiquiti Vulnerability

CERT/CC warns an unpatched backdoor in several Tenda routers lets attackers bypass login and gain full admin access with a hidden password. CERT/CC published an alert documenting an undocumented authentication backdoor in multiple Tenda firmware versions, tracked as CVE-2026-11405. The flaw gives anyone who knows the right password full administrative access to the device’s web […]

Security Affairs 7 Jul 2026, 9:45 p.m. Incident · 5 stories CVE-2026-11405 Authentication Backdoor Bypass CVE Firmware Flaw Patch Routers Warning

Apple released updates for iOS, iPadOS, macOS, and Safari, fixing WebKit flaws, four of which were found using AI tools like Claude and Codex Apple pushed out security updates for iOS, iPadOS, macOS, and Safari on Monday, and this round comes with a twist worth noticing. Four of the WebKit vulnerabilities patched were found using […]

Security Affairs 30 Jun 2026, 11:32 p.m. Incident · 3 stories Apple Artificial Intelligence Flaw macOS Patch Vulnerability

DirtyClone: a Linux kernel privilege escalation that silently rewrites executables in memory, leaving no disk trace. Patch now. JFrog Security Research published a working exploit walkthrough on June 25 for CVE-2026-43503 (CVSS score of 8.8), a Linux kernel privilege escalation they call DirtyClone. It’s the fourth vulnerability in the DirtyFrag family, all sharing the same […]

Security Affairs 27 Jun 2026, 9:12 p.m. Incident · 2 stories CVE-2026-43503 CVE Exploit Flaw Linux Patch Privilege Escalation Research Root Access Vulnerability

F5 released emergency updates for critical NGINX flaws (CVE-2026-42530, CVE-2026-42055) that could enable unauthenticated code execution. F5 has issued out-of-band patches for multiple NGINX vulnerabilities, including two critical flaws, respectively tracked as CVE-2026-42530 and CVE-2026-42055 (CVSS 9.2). The bugs affect HTTP modules and can be exploited remotely without authentication to trigger memory corruption, potentially causing […]

Security Affairs 19 Jun 2026, 2:07 a.m. Incident · 3 stories CVE-2026-42530 CVE-2026-42055 Authentication Critical Vulnerability CVE F5 Flaw Patch Unauthenticated Vulnerability

Microsoft confirmed the RoguePlanet Defender zero-day (CVE-2026-50656), a privilege escalation flaw, and is developing a security patch. Microsoft has acknowledged the RoguePlanet zero-day affecting Microsoft Defender, tracked as CVE-2026-50656 (CVSS score of 7.8). The vulnerability allows privilege escalation through the Microsoft Malware Protection Engine. The company stated it is aware of the issue and is […]

Security Affairs 18 Jun 2026, 9:21 p.m. Theme · 12 stories CVE-2026-50656 0-Day Antivirus CVE Flaw Malware Microsoft Patch Privilege Escalation Vulnerability

iRhythm disclosed a cyberattack via third-party apps where patient and proprietary data was stolen, followed by a ransom demand. iRhythm Technologies is a U.S.-based digital healthcare company specializing in remote cardiac monitoring and arrhythmia detection. Its best-known product is the Zio, a wearable patch that continuously records a patient’s heart rhythm for up to several […]

Security Affairs 17 Jun 2026, 7:19 a.m. Incident · 3 stories America Critical Infrastructure Cyberattack Disclosure Healthcare Patch Ransom Theft

Three FortiSandbox flaws, including one patched last week, are being actively exploited, highlighting the shrinking window for defenders. Cybersecurity firm Defused Cyber confirmed it’s seen active exploitation of three vulnerabilities in Fortinet FortiSandbox within a 24-hour window. Two of them had patches sitting available since April. The third got fixed last week, which, apparently, wasn’t […]

Security Affairs 17 Jun 2026, 2:21 a.m. Incident · 5 stories Fixed Flaw Fortinet Patch Vulnerability

ShinyHunters exploited a critical Oracle PeopleSoft zero-day to breach over 100 organizations, mostly universities, before a patch was available. Mandiant and Google’s Threat Intelligence Group published an analysis of an active ShinyHunters campaign on June 11, one day after Oracle finally issued an advisory for the vulnerability being exploited. The gap matters: the activity ran […]

Security Affairs 12 Jun 2026, 10:49 p.m. Incident · 9 stories 0-Day Breach Flaw Google Oracle Patch Remote Code Execution Vulnerability

Attackers are exploiting the critical CVE-2026-10520 flaw in Ivanti Sentry, compromising many internet-exposed gateways shortly after patches were released. Threat actors have started exploiting a maximum-severity OS command injection flaw in Ivanti Sentry, tracked as CVE-2026-10520, that allows remote code execution with root privileges. “An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a remote […]

Security Affairs 12 Jun 2026, 5:57 a.m. Incident · 2 stories Actively exploited CVE-2026-10520 Compromise Critical Vulnerability CVE Exposure Flaw Patch Remote Code Execution Root Access Threat Actor Vulnerability

Attackers are exploiting the critical CVE-2026-10520 flaw in Ivanti Sentry, compromising many internet-exposed gateways shortly after patches were released. Threat actors have started exploiting a maximum-severity OS command injection flaw in Ivanti Sentry, tracked as CVE-2026-10520, that allows remote code execution with root privileges. “An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a remote […]

Security Affairs 12 Jun 2026, 5:57 a.m. Incident · 2 stories Actively exploited CVE-2026-10520 Compromise Critical Vulnerability CVE Exposure Flaw Patch Remote Code Execution Root Access Threat Actor Vulnerability

GreatXML bypasses BitLocker via Defender offline scan artifacts, giving SYSTEM shell in Recovery Mode. No patch exists. Any machine that ran an offline scan is vulnerable. On June 10, security researcher Chaotic Eclipse (aka Nightmare Eclipse) published a new working exploit dubbed GreatXML that bypasses BitLocker and opens a command shell with full SYSTEM privileges […]

Security Affairs 11 Jun 2026, 10:58 p.m. Incident · 3 stories 0-Day Exploit Outage Patch Research Vulnerability
Security Affairs 1 month, 1 week ago

Fortinet patched a new critical FortiSandbox flaw

Fortinet patched a critical FortiSandbox vulnerability that could let unauthenticated attackers remotely execute commands via crafted HTTP requests. Fortinet released security updates to address several vulnerabilities affecting FortiSandbox, FortiOS, FortiProxy, and FortiPortal. The most severe issue, tracked as CVE-2026-25089 (CVSS score of 9.8), is an OS command injection flaw in FortiSandbox products. The vulnerability could […]

Security Affairs 11 Jun 2026, 9:51 p.m. Incident · 5 stories Actively exploited CVE-2026-25089 CVE Flaw Fortinet Patch Unauthenticated Vulnerability

Despite a 2025 patch, Russian-linked groups still exploit a WinRAR flaw (CVE-2025-8088) to deploy malware via phishing archives. CVE-2025-8088 is a path traversal flaw in WinRAR that lets an attacker write files outside the extraction directory using NTFS Alternate Data Streams. WinRAR fixed it in version 7.13 in July 2025. Nearly a year later, Trend […]

Security Affairs 11 Jun 2026, 1:34 a.m. Incident · 4 stories Actively exploited CVE-2025-8088 Advanced Persistent Threat CVE Exploit Fixed Flaw Malware Patch Phishing Russia

The researcher Chaotic Eclipse released a PoC for the RoguePlanet Microsoft Defender zero-day, which can grant SYSTEM privileges on fully patched Windows systems. Security researcher Chaotic Eclipse, also known as Nightmare-Eclipse, has published a new proof-of-concept exploit for a RoguePlanet Microsoft Defender zero-day. The flaw relies on a race condition that can provide attackers with […]

Security Affairs 10 Jun 2026, 9:45 p.m. Theme · 12 stories 0-Day Antivirus Exploit Flaw Microsoft Patch PoC

Microsoft Patch Tuesday security updates for June 2026 fix a record 208 CVEs, including one actively exploited zero-day and multiple critical RCE flaws. Microsoft Patch Tuesday security updates for June 2026 mark a record. Microsoft shipped fixes for 208 CVEs across Windows, Office, Azure, Exchange, Hyper-V, Secure Boot, BitLocker, and a range of AI tooling. […]

Security Affairs 10 Jun 2026, 10:55 a.m. Theme · 2 stories 0-Day Artificial Intelligence Azure Flaw Microsoft Patch Patch Tuesday Remote Code Execution

Veeam addressed a critical RCE vulnerability flaw in Backup & Replication that lets low-privileged domain users take control of backup servers. Veeam has patched a critical remote code execution vulnerability, tracked as CVE-2026-44963 (CVSS v4 Score of 9.4), affecting Backup & Replication version 12.x. The flaw could allow a low-privileged domain user to execute code on […]

Security Affairs 10 Jun 2026, 4:51 a.m. Incident · 3 stories CVE-2026-44963 Backup CVE Flaw Patch Remote Code Execution Vulnerability