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🚨 CISA CONFIRMS ACTIVE EXPLOITATION OF CRITICAL ORACLE VULNERABILITY CISA has officially added CVE-2026-21962 to its Known Exploited Vulnerabilities (KEV) Catalog after confirming evidence of active exploitation. The vulnerability affects Oracle HTTP Server and the Oracle WebLogic Server Proxy Plug-in and carries a maximum CVSS score of 10.0. * CVE: CVE-2026-21962 * CVSS: 10.0 — CRITICAL * CWE: CWE-284 — Improper Access Control * Authentication required: NONE * Attack vector: Network / HTTP * Attack complexity: LOW * User interaction: NONE * CISA exploitation status: ACTIVE * CISA KEV added: August 24, 2026 * Federal remediation deadline: August 27, 2026 * Known ransomware use: UNKNOWN 🎯 What Can Successful Exploitation Do? According to Oracle's vulnerability description, successful exploitation can result in: * Unauthorized access to critical data * Complete access to data accessible through affected components * Unauthorized modification of critical data * Creation or deletion of accessible data The vulnerability can also significantly impact additional products because of a scope change. Affected versions include: * Oracle HTTP Server 12.2.1.4.0 * Oracle HTTP Server 14.1.1.0.0 * Oracle HTTP Server 14.1.2.0.0 * Oracle WebLogic Server Proxy Plug-in 12.2.1.4.0 * Oracle WebLogic Server Proxy Plug-in 14.1.1.0.0 * Oracle WebLogic Server Proxy Plug-in 14.1.2.0.0 For the WebLogic Server Proxy Plug-in for IIS, Oracle identifies 12.2.1.4.0 as affected. ⚠️ CISA REQUIRED ACTION: Apply vendor mitigations, follow applicable federal guidance for cloud services, or discontinue use of the affected product if mitigations are unavailable. ⚠️ Analyst Note: This is no longer a theoretical vulnerability or simply a CVSS 10.0 patching priority. CISA's KEV designation means there is evidence that CVE-2026-21962 has actually been exploited. The combination of: * CVSS 10.0 * Remote network exploitation * No authentication * Low attack complexity * No user interaction * Confirmed exploitation makes exposed Oracle HTTP Server and WebLogic proxy infrastructure a high-priority remediation target. Organizations should not only patch affected systems but also review potentially exposed servers for evidence of compromise that may have occurred BEFORE remediation. Sources: CISA KEV: cisa.gov/known-exploited-vul… CISA Alert: cisa.gov/news-events/alerts/… CVE: cve.org/CVERecord?id=CVE-202… NVD: nvd.nist.gov/vuln/detail/CVE… #DDW #CyberSecurity #CISA #Oracle #WebLogic #CVE #Vulnerability #ThreatIntelligence