[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fhJFQw7dD7OTARSLVpDoeuzLrW_jPwTDRdVgW0bbe-Xg":3},{"lesson":4},{"id":5,"slug":6,"article_id":7,"title":8,"body":9,"prevention":10,"framework_refs":11,"status":20,"created_at":21,"published_at":22,"article":23,"tags":27,"podcasts":40},"212e4431-a336-42da-8d9f-5ea977b00e44","only-1-in-4-known-exploited-vulnerabilities-are-fully-remediated","80d8af48-f8ac-4c75-9481-07c1e38fbab8","Only 1 in 4 Known Exploited Vulnerabilities Are Fully Remediated","Organizations are failing to remediate vulnerabilities that are already confirmed as actively exploited and publicly catalogued by CISA, leaving the vast majority of known threats unaddressed. With exploiting known vulnerabilities now the leading method for initial access in cyberattacks (31% of incidents), this remediation gap represents a critical and largely self-inflicted risk. The CISA KEV catalog exists precisely to prioritize the most dangerous vulnerabilities, yet a 74% non-remediation rate suggests organizations lack the processes, resources, or urgency to act on this intelligence. This matters because attackers are actively weaponizing these exact vulnerabilities while defenders delay, creating an asymmetric and avoidable disadvantage.","**Immediate actions:**\n- Audit your environment against the full CISA KEV catalog and prioritize patching any matches within mandated or self-imposed SLAs.\n- Subscribe to CISA KEV alerts and integrate the catalog feed directly into your vulnerability management platform for real-time tracking.\n\n**Long-term improvements:**\n- Implement a risk-tiered patch management policy that mandates emergency patching timelines (e.g., 48–72 hours) for any vulnerability appearing on the CISA KEV list.\n- Maintain a continuously updated and accurate asset inventory so no system is overlooked during remediation sweeps.\n- Establish formal ownership and accountability for vulnerability remediation across business units to eliminate ambiguity in patching responsibilities.\n\n**Detection & measurement:**\n- Track and report KEV remediation rates as a key security KPI, reviewed monthly by security leadership.\n- Deploy authenticated vulnerability scanning on a weekly or continuous basis to verify that patches have been successfully applied and are not regressing.",[12,13,14,15,16,17,18,19],"CIS Control 7: Continuous Vulnerability Management","CIS Control 2: Inventory and Control of Software Assets","NIST SP 800-40 Rev. 4: Guide to Enterprise Patch Management Planning","NIST CSF ID.RA-1: Asset vulnerabilities are identified and documented","NIST CSF RS.MI-3: Newly identified vulnerabilities are mitigated or documented as accepted risks","CISA BOD 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities","ITIL: Change and Release Management (emergency change procedures)","ISO 27001 Annex A 12.6.1: Management of Technical Vulnerabilities","published","2026-09-25T14:20:22.779183+00:00","2026-09-25T14:20:22.417+00:00",{"id":7,"url":24,"slug":25,"title":26},"https:\u002F\u002Fhackread.com\u002F26-detected-cisa-known-exploited-vulnerabilities-remediated\u002F","only-26-of-detected-cisa-known-exploited-vulnerabilities-were-fully-remediated-ee75c2","Only 26% of Detected CISA Known Exploited Vulnerabilities Were Fully Remediated",[28,34],{"id":29,"name":30,"slug":31,"description":32,"color":33},"05757c8d-6b93-4194-b35d-7359e7d33b0e","Vulnerability Management","vulnerability-management","Missing scans, no risk prioritization","#fb923c",{"id":35,"name":36,"slug":37,"description":38,"color":39},"af7fce9e-1ce8-4156-93bc-09dcfbfdf29d","Patch Management","patch-management","Unpatched vulnerabilities, delayed updates","#ef4444",[]]