Google Patches Seventh Chrome Zero-Day of 2026, CVE-2026-87491
September 11, 2026
Google released Chrome security update on September 9 patching CVE-2026-87491, an out-of-bounds write in V8 engine — the seventh actively
Application Security
Google Patches Seventh Chrome Zero-Day of 2026, CVE-2026-87491
Google released Chrome security update on September 9 patching CVE-2026-87491, an out-of-bounds write in V8 engine — the seventh actively exploited Chrome zero-day of 2026.
PoisonedRefresh Rootkit Injects PHP Web Shells into F5 BIG-IP Memory
SophosLabs published analysis of PoisonedRefresh, a fileless Linux rootkit that injects PHP web shells directly into F5 BIG-IP APM Apache server memory, leaving no disk ...
September Windows Server Updates Break Remote Desktop Services
Microsoft's September security updates cause Remote Desktop Services failures on Windows Server 2019, 2022, and 2025, with some systems requiring hard reset reported September 10.
Microsoft Excel KB5002914 Update Breaks Copy and Paste Functions
Microsoft's KB5002914 Office security update breaks copy-and-paste operations and formula dragging in Excel, with affected users removing the update to restore functionality reported September 10.
cPanel Critical RCE Enables Full Server Takeover via Mail Account
Critical cPanel vulnerability lets authenticated hosting account holders execute root-level code and take complete control of entire server infrastructure.
SAP Patches CVSS 10.0 Kernel RCE in Extended Passport Processing
SAP released patches for CVE-2026-44756, a maximum-severity memory corruption flaw enabling unauthenticated remote code execution in SAP kernel systems.
Microsoft Ships Record 974 Security Patches in September Batch
Microsoft's September Patch Tuesday delivered 974 security fixes—the largest single batch ever—driven partly by AI-assisted vulnerability discovery tools.
PEEP Toolkit Turns Chrome and Edge Into Post-Exploitation Backdoors
Researchers disclosed PEEP, a toolkit that hijacks Chrome and Edge browsers as backdoors by injecting malicious extensions that execute host commands.
Magento StyleSmuggler Zero-Day Deploys Linux Backdoors on Stores
Zero-day StyleSmuggler flaw enables code execution on all Magento and Adobe Commerce versions. Attackers deploy Linux backdoors on e-commerce sites.
Mathspace Breach Exposes Data of Over 1 Million Students and Staff
Attackers breached Mathspace's Metabase internal reporting system, stealing data from more than 1 million students, staff, and parents at the math platform.
PoisonedRefresh Rootkit Injects PHP Web Shells into F5 BIG-IP Memory
September 11, 2026
SophosLabs published analysis of PoisonedRefresh, a fileless Linux rootkit that injects PHP web shells directly into F5 BIG-IP APM Apache
September Windows Server Updates Break Remote Desktop Services
September 11, 2026
Microsoft’s September security updates cause Remote Desktop Services failures on Windows Server 2019, 2022, and 2025, with some systems requiring
Microsoft Excel KB5002914 Update Breaks Copy and Paste Functions
September 11, 2026
Microsoft’s KB5002914 Office security update breaks copy-and-paste operations and formula dragging in Excel, with affected users removing the update to
cPanel Critical RCE Enables Full Server Takeover via Mail Account
September 9, 2026
Critical cPanel vulnerability lets authenticated hosting account holders execute root-level code and take complete control of entire server infrastructure.
SAP Patches CVSS 10.0 Kernel RCE in Extended Passport Processing
September 9, 2026
SAP released patches for CVE-2026-44756, a maximum-severity memory corruption flaw enabling unauthenticated remote code execution in SAP kernel systems.
Microsoft Ships Record 974 Security Patches in September Batch
September 9, 2026
Microsoft’s September Patch Tuesday delivered 974 security fixes—the largest single batch ever—driven partly by AI-assisted vulnerability discovery tools.
PEEP Toolkit Turns Chrome and Edge Into Post-Exploitation Backdoors
September 8, 2026
Researchers disclosed PEEP, a toolkit that hijacks Chrome and Edge browsers as backdoors by injecting malicious extensions that execute host
Magento StyleSmuggler Zero-Day Deploys Linux Backdoors on Stores
September 8, 2026
Zero-day StyleSmuggler flaw enables code execution on all Magento and Adobe Commerce versions. Attackers deploy Linux backdoors on e-commerce sites.
Mathspace Breach Exposes Data of Over 1 Million Students and Staff
September 8, 2026
Attackers breached Mathspace’s Metabase internal reporting system, stealing data from more than 1 million students, staff, and parents at the
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