zero-day Archives • Page 5 of 11 • Daily CyberSecurity

Exploited in the Wild & PoC Disclosed: Emergency Chrome Zero-Day (CVE-2026-2441) Patched

Chrome security update exploit in the wild Chrome Zero-Day CVE-2026-3909 Chrome Zero-Day PoC CVE-2026-2441 Chrome Zero-Day CVE-2026-2441 Chrome Zero-Day, Active Exploitation CVE-2025-10585 Chrome vulnerability, zero-day exploit CVE-2025-6558 Chrome Zero-Day, V8 Vulnerability Chrome Zero-Day, Security Update

Exploited in the Wild & PoC Disclosed: Emergency Chrome Zero-Day (CVE-2026-2441) Patched

Do Son February 20, 2026

Google patches Chrome zero-day CVE-2026-2441, an actively exploited memory flaw. With PoC exploit code now publicly disclosed, update to v145 immediately.

Ghost NICs & Secret Knocks: Dell Zero-Day (CVSS 10) Exploited by UNC6201 FortiClient EMS exploitation Cisco FIRESTARTER Backdoor Arcane Door Campaign Dell RecoverPoint Zero-Day UNC6201 Espionage Notepad++ Compromise Supply Chain Attack Magento SessionReaper CVE-2025-54236 ShadowRay 2.0, AI-Generated Malware WordPress Auth Bypass, CVE-2025-5947 Exploited EcoStruxure Vulnerabilities, Industrial Control System UNC5820 - CVE-2014-2120 - CVE-2021-44207

FortiClient EMS exploitation Cisco FIRESTARTER Backdoor Arcane Door Campaign Dell RecoverPoint Zero-Day UNC6201 Espionage Notepad++ Compromise Supply Chain Attack Magento SessionReaper CVE-2025-54236 ShadowRay 2.0, AI-Generated Malware WordPress Auth Bypass, CVE-2025-5947 Exploited EcoStruxure Vulnerabilities, Industrial Control System UNC5820 - CVE-2014-2120 - CVE-2021-44207

Ghost NICs & Secret Knocks: Dell Zero-Day (CVSS 10) Exploited by UNC6201

Do Son February 18, 2026

Mandiant reveals UNC6201 exploiting Dell RecoverPoint zero-day CVE-2026-22769. Attackers use "Ghost NICs" & GRIMBOLT malware. Patch now.

“Dormant” Backdoors: Ivanti EPMM Zero-Days Exploited to Plant Long-Term Spies

Cisco SD-WAN Vulnerability CVE-2026-20133 FortiGate Compromise Ivanti EPMM Zero-Day CVE-2026-1281 SmarterMail Vulnerability Storm-2603 WatchGuard Zero-Day, IKEv2 Out-of-Bounds Write Cisco Zero-Day, UAT-9686 Chinese APT FortiWeb RCE Exploitation CVE-2025-58034 VMware Zero-Day, Privilege Escalation Sitecore, remote code execution CVE-2025-53690 Windows CLFS, Privilege Escalation CVE-2024-47575 & CVE-2024-11120 CVE-2025-24983 vulnerability

“Dormant” Backdoors: Ivanti EPMM Zero-Days Exploited to Plant Long-Term Spies

Do Son February 18, 2026

Ivanti EPMM under attack via zero-days CVE-2026-1281 & 1340. Hackers use bash scripts to plant dormant backdoors. Patch immediately.

CISA Adds 2008 Windows Flaw & Chrome Zero-Day to KEV Ivanti EPMM Vulnerability CVE-2026-1340 CISA KEV Catalog CVE-2026-21385 CISA KEV Update CVE-2008-0015 CISA KEV, Array Networks Command Injection CVE-2025-0111 & CVE-2025-23209 CISA, Known Exploited Vulnerabilities

Ivanti EPMM Vulnerability CVE-2026-1340 CISA KEV Catalog CVE-2026-21385 CISA KEV Update CVE-2008-0015 CISA KEV, Array Networks Command Injection CVE-2025-0111 & CVE-2025-23209 CISA, Known Exploited Vulnerabilities

CISA Adds 2008 Windows Flaw & Chrome Zero-Day to KEV

Do Son February 18, 2026

CISA adds 4 flaws to KEV: Ancient Windows ActiveX bug (CVE-2008-0015) & new Chrome zero-day (CVE-2026-2441). Patch now to prevent exploitation.

JPCERT/CC Warns of Active Exploits Targeting Critical FileZen Command Injection Flaw GUARDIANWALL MailSuite Exploit CVE-2026-32661 FileZen Vulnerability CVE-2026-25108 Ivanti EPMM Vulnerability Dormant Backdoor Fortinet Authentication Bypass CVE-2026-24858 VMware vCenter Server Flaw CVE-2025-21590

GUARDIANWALL MailSuite Exploit CVE-2026-32661 FileZen Vulnerability CVE-2026-25108 Ivanti EPMM Vulnerability Dormant Backdoor Fortinet Authentication Bypass CVE-2026-24858 VMware vCenter Server Flaw CVE-2025-21590

JPCERT/CC Warns of Active Exploits Targeting Critical FileZen Command Injection Flaw

Do Son February 16, 2026

Critical FileZen flaw CVE-2026-25108 is under active attack. Antivirus feature allows command injection. Update to V5.0.11 immediately to secure data.

Critical Alert: Chrome Zero-Day (CVE-2026-2441) Exploited in the Wild Chrome security update exploit in the wild Chrome Zero-Day CVE-2026-3909 Chrome Zero-Day PoC CVE-2026-2441 Chrome Zero-Day CVE-2026-2441 Chrome Zero-Day, Active Exploitation CVE-2025-10585 Chrome vulnerability, zero-day exploit CVE-2025-6558 Chrome Zero-Day, V8 Vulnerability Chrome Zero-Day, Security Update

Critical Alert: Chrome Zero-Day (CVE-2026-2441) Exploited in the Wild

Do Son February 15, 2026

Google patches critical zero-day CVE-2026-2441. Attackers are exploiting this CSS use-after-free flaw in the wild. Update to Chrome 145 immediately.

Apple Zero-Day (CVE-2026-20700) Exploited in the Wild Coruna Exploit Kit iOS Security Update Apple Zero-Day CVE-2026-20700 Apple Data Privacy Day 2026, iPhone privacy features guide iOS Privilege Escalation, CVE-2025-24085 PoC Apple Manufacturing Academy, US Investment CVE-2024-44258 - symlink vulnerability

Coruna Exploit Kit iOS Security Update Apple Zero-Day CVE-2026-20700 Apple Data Privacy Day 2026, iPhone privacy features guide iOS Privilege Escalation, CVE-2025-24085 PoC Apple Manufacturing Academy, US Investment CVE-2024-44258 - symlink vulnerability

Apple Zero-Day (CVE-2026-20700) Exploited in the Wild

Do Son February 12, 2026

Urgent: Apple patches zero-day CVE-2026-20700 in dyld. The flaw is being exploited in the wild against specific targets. Update to iOS 26.3 now.

Patch Panic: Microsoft Fixes 6 Active Zero-Days in Feb 2026 Update Microsoft Patch Tuesday May 2026 Netlogon RCE CVE-2026-41089 SharePoint Exploit Patch Tuesday Windows DWM Zero-Day CVE-2026-21519 CVE-2024-49039 Microsoft Patch Tuesday March 2025

Microsoft Patch Tuesday May 2026 Netlogon RCE CVE-2026-41089 SharePoint Exploit Patch Tuesday Windows DWM Zero-Day CVE-2026-21519 CVE-2024-49039 Microsoft Patch Tuesday March 2025

Patch Panic: Microsoft Fixes 6 Active Zero-Days in Feb 2026 Update

Do Son February 11, 2026

Microsoft Feb 2026 update fixes 61 flaws, including critical DWM zero-day CVE-2026-21519 exploited in the wild. Patch now to stop SYSTEM takeover.

Silent Intrusion: “Metro4Shell” Exploited in the Wild Since December Metro4Shell CVE-2025-11953

Silent Intrusion: “Metro4Shell” Exploited in the Wild Since December

Do Son February 4, 2026

VulnCheck reveals CVE-2025-11953 (Metro4Shell) was exploited in the wild since Dec 2025. Attackers target Windows & Linux dev servers. Patch now.

Exploited in the Wild: Critical Ivanti EPMM RCE Flaws (CVSS 9.8) Under Attack

Check Point VPN vulnerability exploited in the wild Check Point VPN exploit CVE-2026-50751 zero-day Checkmarx Breach Supply Chain Attack Ivanti EPMM RCE CVE-2026-1281 Modular DS Vulnerability CVE-2026-23550 D-Link RCE Vulnerability CVE-2026-0625 Christmas 2025 GreyNoise Campaign, Japan-Based Initial Access Broker React2Shell Zero-Day, APT Active Exploitation WordPress vulnerability, authentication bypass FreePBX, zero-day Trend Micro Apex One, Remote Code Execution BitoPro Hack, Crypto Theft UNC5337 - CVE-2022-47945 Safe{Wallet} hack Fortinet vulnerability, CVE-2024-21762, FortiGate attack Balloonfly, Play ransomware Ivanti EPMM CVE-2025-4427 and CVE-2025-4428

Exploited in the Wild: Critical Ivanti EPMM RCE Flaws (CVSS 9.8) Under Attack

Do Son January 30, 2026

Ivanti confirms critical EPMM RCE flaws (CVE-2026-1281) are exploited in the wild. Unauthenticated attackers can compromise MDM. Patch immediately.

Under Attack: Critical Fortinet Auth Bypass (CVE-2026-24858) Exploited in the Wild GUARDIANWALL MailSuite Exploit CVE-2026-32661 FileZen Vulnerability CVE-2026-25108 Ivanti EPMM Vulnerability Dormant Backdoor Fortinet Authentication Bypass CVE-2026-24858 VMware vCenter Server Flaw CVE-2025-21590

Under Attack: Critical Fortinet Auth Bypass (CVE-2026-24858) Exploited in the Wild

Do Son January 28, 2026

Fortinet warns of critical flaw CVE-2026-24858 exploited in the wild. Attackers use FortiCloud SSO to bypass auth on FortiOS/Manager. Patch now.

Under Attack: Microsoft Patches Office Zero-Day (CVE-2026-21509) Exploited in the Wild CVE-2024-38021 Microsoft Office Zero-Day CVE-2026-21509

Under Attack: Microsoft Patches Office Zero-Day (CVE-2026-21509) Exploited in the Wild

Do Son January 27, 2026

Microsoft patches zero-day CVE-2026-21509, actively exploited in the wild. The flaw bypasses OLE security in Office 2016/2019. Update to Build 16.0.10417+.

“New” Path of Attack: Fully Upgraded Fortinet Devices Hit by SSO Exploits Fortinet patch bypass 2026, FortiGate SSO authentication exploit SharePoint Zero-Day, China APTs Exploited Vulnerabilities 2023

Fortinet patch bypass 2026, FortiGate SSO authentication exploit SharePoint Zero-Day, China APTs Exploited Vulnerabilities 2023

“New” Path of Attack: Fully Upgraded Fortinet Devices Hit by SSO Exploits

Do Son January 23, 2026

Fortinet warns of a new Jan 2026 attack path bypassing December’s patches. Attackers use FortiCloud SSO to hijack firewalls. Learn the critical fix.

Under Attack: Critical Cisco RCE (CVE-2026-20045) Exploited in the Wild hackerbot-claw campaign Cisco RCE Exploit CVE-2026-20045 SonicWall VPN, Akira Ransomware Nobelium Apache Tomcat, Apache Camel

hackerbot-claw campaign Cisco RCE Exploit CVE-2026-20045 SonicWall VPN, Akira Ransomware Nobelium Apache Tomcat, Apache Camel

Under Attack: Critical Cisco RCE (CVE-2026-20045) Exploited in the Wild

Do Son January 22, 2026

Cisco warns CVE-2026-20045 is being exploited. This critical RCE allows unauthenticated root access on Unified CM. Patch immediately to secure your network.

PoC Exploit Released: Failed Windows Patch Leaks Kernel Secrets Windows Kernel Exploit CVE-2025-53136

PoC Exploit Released: Failed Windows Patch Leaks Kernel Secrets

Do Son January 19, 2026

A failed patch created Windows kernel flaw CVE-2025-53136. With reliable PoC exploit code now public, KASLR is bypassed. Update your systems now.

Zero-Day Threat: UAT-8837 Targets North American Infrastructure Mercenary Akula European Financial Targeting AI-Generated Malware React2Shell Exploit UAT-8837 Critical Infrastructure Attack APT36, BOSS Linux BRICKSTORM Malware, China Espionage Curly COMrades, MucorAgent Chinese APT - HTTP Client Tools Shuckworm Cyber Espionage

Mercenary Akula European Financial Targeting AI-Generated Malware React2Shell Exploit UAT-8837 Critical Infrastructure Attack APT36, BOSS Linux BRICKSTORM Malware, China Espionage Curly COMrades, MucorAgent Chinese APT - HTTP Client Tools Shuckworm Cyber Espionage

Zero-Day Threat: UAT-8837 Targets North American Infrastructure

Do Son January 16, 2026

Cisco Talos warns: China-linked UAT-8837 targets North American infrastructure using zero-days (CVE-2025-53690) & open-source tools.

Exploited in the Wild: Critical Modular DS Flaw CVE-2026-23550 (CVSS 10) Allows Instant Admin Takeover

Do Son January 15, 2026

Urgent: Modular DS flaw CVE-2026-23550 (CVSS 10) is actively exploited in the wild. Attackers are creating fake admins. Update to the latest version now.

Patch Tuesday Jan 2026: Microsoft Fixes 114 Flaws & 3 Zero-Days Microsoft Patch Tuesday CVE-2026-20805 RasMan Crash Flaw, 0patch Micropatch ASP.NET Core, HTTP smuggling Windows kernel Rust ActiveX, Microsoft 365

Microsoft Patch Tuesday CVE-2026-20805 RasMan Crash Flaw, 0patch Micropatch ASP.NET Core, HTTP smuggling Windows kernel Rust ActiveX, Microsoft 365

Patch Tuesday Jan 2026: Microsoft Fixes 114 Flaws & 3 Zero-Days

Do Son January 14, 2026

Microsoft Jan 2026 Patch Tuesday fixes 114 flaws, including 3 zero-days. CVE-2026-20805 is actively exploited. Update Windows & Office immediately.

CISA KEV Alert: HPE’s Maximum CVSS Score Flaw and a Zombie PowerPoint Bug CISA active exploit catalog known exploited vulnerabilities ActiveMQ RCE CVE-2026-34197 CISA KEV Catalog Actively Exploited Vulnerabilities CISA KEV Catalog CVE-2025-37164 GeoServer XXE, CISA KEV FortiWeb SQLi, CISA KEV Critical Vulnerabilities CVE-2024-20953

CISA active exploit catalog known exploited vulnerabilities ActiveMQ RCE CVE-2026-34197 CISA KEV Catalog Actively Exploited Vulnerabilities CISA KEV Catalog CVE-2025-37164 GeoServer XXE, CISA KEV FortiWeb SQLi, CISA KEV Critical Vulnerabilities CVE-2024-20953

CISA KEV Alert: HPE’s Maximum CVSS Score Flaw and a Zombie PowerPoint Bug

Do Son January 8, 2026

CISA adds critical HPE OneView (CVE-2025-37164) and legacy PowerPoint (CVE-2009-0556) flaws to KEV. FCEB agencies must patch by Jan 28, 2026.

“VM Isolation is Not Absolute”: Researchers Unmask Sophisticated ESXi “Maestro” Exploit GUARDIANWALL MailSuite Exploit CVE-2026-32661 FileZen Vulnerability CVE-2026-25108 Ivanti EPMM Vulnerability Dormant Backdoor Fortinet Authentication Bypass CVE-2026-24858 VMware vCenter Server Flaw CVE-2025-21590

“VM Isolation is Not Absolute”: Researchers Unmask Sophisticated ESXi “Maestro” Exploit

Do Son January 8, 2026

Huntress exposes "VSOCKpuppet" VM escape: Attackers used a hidden zero-day toolkit to breach VMware ESXi hosts and bypass network monitoring.

“Sophisticated” Zero-Day Demystified: Public Exploit Drop Blows Cover on Critical Apple WebKit Flaw Apple Zero-Day CVE-2025-43529 WebKit Zero-Day, Targeted iOS Spyware Apple spyware alerts, zero-click attacks Apple, trademark lawsuit CVE-2024-54527 PoC exploit Apple, App Store

Apple Zero-Day CVE-2025-43529 WebKit Zero-Day, Targeted iOS Spyware Apple spyware alerts, zero-click attacks Apple, trademark lawsuit CVE-2024-54527 PoC exploit Apple, App Store

“Sophisticated” Zero-Day Demystified: Public Exploit Drop Blows Cover on Critical Apple WebKit Flaw

Do Son January 8, 2026

Exploit blueprints for Apple zero-day CVE-2025-43529 are now public. Millions of iPhones and Macs are at risk. Update to iOS 26.2 immediately.

CVE-2026-0625: Critical Actively Exploited RCE Hits Unpatchable D-Link Routers

Do Son January 7, 2026

CVE-2026-0625: Unpatchable D-Link routers face critical RCE attacks. Hackers are actively exploiting this zero-day. Replace legacy DSL models immediately.