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Exploit kits attack vector – mid
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Microsoft Patch Tuesday, April 2020 Edition
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CISA adds Ruckus bug and another six flaws to its Known Exploited Vulnerabilities catalog
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Oracle Critical Security Patch Update, September 2026 Review
Oracle's September 2026 Critical Patch Update fixes 673 vulnerabilities, including 104 critical, with many remotely exploitable in E-Business Suite and Fusion Middleware.
Oracle released 673 security patches in its September 2026 Critical Patch Update: 104 rated critical, 503 high, and 59 medium. Oracle E-Business Suite received the most patches (159, 24% of total), with 19 exploitable without credentials including CVE-2026-83327, CVE-2026-83452, and CVE-2026-83462 at CVSS 9.8. Fusion Middleware received 153 patches with 78 remotely exploitable without authentication, and 41 patches address third-party open-source component flaws. Qualys published detection QIDs for vulnerable assets.
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Oracle Critical Security Update – 673 Vulnerabilities Patched Across Product Families
Oracle's September 2026 Critical Patch Update ships 673 patches across 17 product families, including 100+ critical and 240+ remotely exploitable flaws.
Oracle's September 2026 Critical Security Patch Update ships 673 patches covering 672 unique CVEs, with more than 130 additional CVEs resolved through bundled fixes, pushing the effective total past 800. Over 100 flaws are critical severity and more than 240 are remotely exploitable without authentication. Oracle E-Business Suite received 159 fixes, Fusion Middleware 153 (78 unauthenticated and network-exploitable), and Hyperion 102. No in-the-wild exploitation of these specific flaws is reported, but Oracle cites CISA's earlier 72-hour remediation order for actively exploited CVE-2026-21962 (CVSS 10.0).
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Oracle September 2026 Critical Security Patch Update addresses 672 CVEs
Oracle's September 2026 CSPU fixes 672 CVEs across 673 patches, including 104 critical updates, with E-Business Suite receiving the most patches (159).
Oracle released its September 2026 Critical Security Patch Update fixing 672 unique CVEs via 673 security updates across 17 product families, with 104 patches (15.5%) rated critical and 503 rated high. Oracle E-Business Suite received the most patches at 159 (23.6%), followed by Fusion Middleware at 153, of which 78 are remotely exploitable without authentication. The CSPU is a monthly release cycle Oracle introduced in May 2026 between larger quarterly CPUs. Tenable will publish plugins to identify affected systems.
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July 2020 Patch Tuesday: Microsoft plugs wormable Windows DNS Server RCE flaw
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Another Apache Log4j Vulnerability Is Actively Exploited in the Wild (CVE-2021
Apache Log4j 2 RCE CVE-2021-44228 is actively exploited via crafted JNDI lookups; Palo Alto Unit 42 urges upgrading to Log4j 2.17.1.
Unit 42 details CVE-2021-44228, an easily exploited remote code execution flaw in Apache Log4j 2 where attacker-supplied JNDI lookups in logged user input cause payload download and execution. Massive internet-wide scanning for unpatched systems has begun, with observed follow-on activity including information stealing, Cobalt Strike delivery, and coinmining. The recommended fix is Log4j 2.17.1, which also patches CVE-2021-45046, CVE-2021-45105, and CVE-2021-44832. Widely used Java software including Apache Struts, Solr, Druid, Flink, ElasticSearch, and Spring Boot is affected.
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SAP security advisory – September 2026 monthly rollup (AV26-894)
Canada's Cyber Centre relayed SAP's September 2026 Patch Day rollup covering vulnerabilities across NetWeaver, kernel components, CAP, and Integration Suite.
The Canadian Centre for Cyber Security published advisory AV26-894 noting that as of September 8, 2026, SAP is affected by vulnerabilities in multiple products, including SAP Extended Passport, NetWeaver Message Server, SAP Cloud Application Programming Model, SAP GUI for Java, Integration Suite Cloud Integration, NetWeaver Business Client, and NetWeaver AS for ABAP. The advisory corresponds to SAP Security Patch Day September 2026 and lists many affected kernel and web dispatcher versions. Administrators are urged to review the SAP advisory and apply updates as available.
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