August 2018 Microsoft Patch Tuesday fixes two flaws exploited in attacks in the wild
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December 2019 Patch Tuesday: Microsoft fixes one actively exploited zero-day
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Network Security Trends: August
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Weekly Cybersecurity Newsletter Bulletin – Microsoft 0-day, FortiOS, PAN-OS Flaw, Revolut Data Breach, and 20+ Stories
Weekly roundup: Microsoft patches 973 flaws including two actively exploited zero-days; FortiOS CAPWAP flaw deploys PivotC2 RAT; PAN-OS root RCE disclosed.
Microsoft's September 2026 Patch Tuesday fixed 973 vulnerabilities, including two zero-days under active exploitation: CVE-2026-85880 (Windows ALPC) and CVE-2026-81963 (Windows Update Stack), both elevation-of-privilege bugs. SOCRadar reported active exploitation of CVE-2025-25249 (CVSS 9.8) in FortiOS CAPWAP, deploying a Node.js RAT called PivotC2 that exfiltrates Exchange mailboxes to Wasabi cloud storage; 178 devices were compromised out of 30,000 scanned IPs, attributed to a Russian-speaking financially motivated group. Palo Alto disclosed CVE-2026-0310, a 9.2-rated buffer overflow enabling root code execution on PA-Series firewalls, and Fortinet disclosed CVE-2026-84393, a ZTNA certificate validation MITM flaw. Cyera also revealed CVE-2026-6471 ('PostGREShell'), a 12-year-old PostgreSQL logical-decoding flaw allowing code execution via REPLICATION-privileged accounts.
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63 New Flaws (Including 0
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Microsoft Fixes Windows Defender Zero
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U.S. CISA adds Adobe, Fortinet, Microsoft Windows, Microsoft Exchange Server flaws to its Known Exploited Vulnerabilities catalog
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U.S. CISA adds SolarWinds Web Help Desk, Notepad++, Microsoft Configuration Manager, and Apple devices flaws to its Known Exploited Vulnerabilities catalog
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November 2018 Patch Tuesday: Microsoft fixes 63 flaws, one actively exploited zero-day
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July 2019 Patch Tuesday: Microsoft plugs two actively exploited zero-days
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Week in review: Axios npm supply chain compromise, critical FortiClient EMS bugs exploited
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Cisco, Hitachi, Microsoft, and Progress Flaws Actively Exploited—CISA Sounds Alarm
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Over 60 Software Vendors Issue Security Fixes Across OS, Cloud, and Network Platforms
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May 2026 CVE Landscape
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CISA Adds Seven Exploited Flaws as Attackers Deploy Reverse Shells and Crypto Miners
CISA added seven actively exploited vulnerabilities to its KEV catalog, including SonicWall SMA 1000 SSRF CVE-2026-83548, amid campaigns deploying reverse shells and crypto miners.
CISA's KEV additions cover flaws in SonicWall SMA 1000 (CVE-2026-83548, CVE-2026-83549), Sangoma Switchvox (CVE-2026-9586), JFrog Artifactory (CVE-2026-82329), Kludex Starlette (CVE-2026-48710), Kestra OSS (CVE-2026-49869) and Berri LiteLLM's MCP endpoint (CVE-2026-59822). SonicWall confirmed active exploitation of the SMA 1000 flaws, while Microsoft and Wiz reported attackers chaining LiteLLM flaws CVE-2026-42271 and CVE-2026-48710 to fingerprint hosts, steal provider API keys and deploy XMRig miners on AI infrastructure. Wiz linked exploitation of the LiteLLM chain to the Qilin ransomware group, and Microsoft detailed a Kestra compromise chain ending in cryptocurrency mining and data harvesting via exposed RAGFlow flaws.
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Network Security Trends: November 2021 to January 2022
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XE Hacker Group Exploits VeraCore Zero
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Network Attack Trends: Internet of Threats (November 2020
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