CISA adds Spring4Shell flaw to its Known Exploited Vulnerabilities Catalog
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Critical macOS, SharePoint, vCenter, and Microsoft IKE Flaws Under Active Exploitation
CISA added four critical actively exploited flaws to KEV: macOS Screen Sharing, SharePoint, VMware vCenter, and Microsoft IKE, with APT and ransomware use.
CISA added CVE-2026-65400 (macOS Screen Sharing, CVSS 9.8), CVE-2026-55040 (SharePoint, CVSS 9.1), CVE-2026-59310 (VMware vCenter, CVSS 9.8) and CVE-2026-33824 (Microsoft IKE Service Extensions, CVSS 9.8) to the KEV catalog. The macOS flaw was abused to deliver a Monero miner, while the vCenter bug was exploited by a suspected China-nexus APT to install reverse_ssh backdoors and Babuk-derived ransomware across 361 victim IPs in 47 countries. Unit 42 linked CVE-2026-33824 to a Chinese-speaking actor running an AI-enabled campaign using DeepSeek. FCEB agencies must patch by August 21, 2026 under BOD 26-04.
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Week in review: 10 cybersecurity frameworks you need to know, exploited Chrome zero-day fixed
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Metasploit 6.2.0 comes with 138 new modules, 148 enhancements and features
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vCenter Flaw Exploited Just Five Days After Disclosure
Attackers began exploiting critical vCenter flaw CVE-2026-59310 five days after Broadcom's disclosure, putting enterprise VMware deployments at risk.
Attackers exploited a critical-severity flaw in VMware vCenter, tracked as CVE-2026-59310, just five days after Broadcom disclosed it. vCenter is the management platform for large enterprise VMware virtualization estates, so active exploitation exposes a broad installed base. Defenders running vCenter should prioritize applying Broadcom's patch.
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⚡ THN Weekly Recap: Top Cybersecurity Threats, Tools and Tips [3 February]
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Cisco Warns of Critical Flaw Affecting On
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Network Attack Trends: February
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CISA's KEV Catalog Updated with 3 New Flaws Threatening IT Management Systems
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CVE-2026-33824: CISA Flags Windows IKE RCE as Exploited
CISA added four actively exploited vulnerabilities to its KEV catalog, headlined by CVE-2026-33824, a Windows IKE Service Extensions remote code execution flaw.
CISA's KEV addition, dated August 18, covers CVE-2026-33824 in Windows IKE Service Extensions, CVE-2026-55040 in on-premises Microsoft SharePoint Server, CVE-2026-59310 in Broadcom VMware vCenter, and CVE-2026-65400 in Apple macOS Screen Sharing. KEV listing confirms observed exploitation in the wild. Three of the four products are frequently deployed as high-value enterprise infrastructure, including remote-access endpoints and collaboration platforms.
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