[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fa7SISyN9_xW8o-sJTscmA1ansgb80mkX12NBeq0jc1A":3},{"article":4,"iocs":49,"watch_terms":54,"solutions":55,"lesson":143},{"id":5,"title":6,"slug":7,"summary":8,"ai_summary":9,"brief":10,"url":11,"image_url":12,"published_at":13,"ingested_at":14,"relevance_score":15,"entities":16,"category_id":31,"category":32,"article_tags":36},"75dc08a0-26f9-4fb6-b8ca-d15585c6295f","CISA Warns of VMWare ESX Logging Vulnerability Exploited in Attacks","cisa-warns-of-vmware-esx-logging-vulnerability-exploited-in-attacks-abea0b","The Cybersecurity and Infrastructure Security Agency has added a VMware ESX logging flaw to its Known Exploited Vulnerabilities catalog following evidence of exploitation. Tracked as CVE-2026-41709, the vulnerability allows an attacker with administrator access to perform certain operations without those actions being recorded in system logs CISA added the flaw on October 28, 2026, and […] The post CISA Warns of VMWare ESX Logging Vulnerability Exploited in Attacks appeared first on Cyber Security News.","CISA has added a VMware ESX logging vulnerability, CVE-2026-41709, to its Known Exploited Vulnerabilities catalog, indicating active exploitation. The flaw allows an administrator to perform actions without them being logged, hindering incident investigations. Despite a low severity rating from Broadcom, CISA's inclusion emphasizes the importance of patching when exploitation is confirmed.","CISA adds VMware ESX logging flaw CVE-2026-41709 to KEV due to exploitation.","https:\u002F\u002Fcybersecuritynews.com\u002Fvmware-esx-logging-vulnerability-exploited\u002F","https:\u002F\u002Fcybersecuritynews.com\u002Fwp-content\u002Fuploads\u002F2026\u002F10\u002FCISA-Warns-of-VMWare-ESX-Logging-Vulnerability-Exploited-in-Attacks.webp","2026-10-29T06:22:42+00:00","2026-10-29T07:00:12.095391+00:00",8,[17,20,23,25,27,29],{"name":18,"type":19},"VMware","vendor",{"name":21,"type":22},"VMware ESX","product",{"name":24,"type":19},"Broadcom",{"name":26,"type":19},"CISA",{"name":28,"type":22},"VMware Cloud Foundation",{"name":30,"type":22},"vSphere Foundation","80544778-fabb-4dcd-aa35-17492e5dcf4f",{"id":31,"icon":33,"name":34,"slug":35},null,"Vulnerabilities","vulnerabilities",[37,39,44],{"category":38},{"id":31,"icon":33,"name":34,"slug":35},{"category":40},{"id":41,"icon":33,"name":42,"slug":43},"c5eccf7c-abbc-4bd3-bbed-e6da5cba8e73","Incident Response","incident-response",{"category":45},{"id":46,"icon":33,"name":47,"slug":48},"e7b231c8-5f79-4465-8d38-1ef13aea5a14","Threat Intelligence","threat-intelligence",[50],{"type":51,"value":52,"context":53},"cve","CVE-2026-41709","VMware ESX logging vulnerability",[18,24,26],{"controls":56,"vendors":142},[57,85,113],{"slug":58,"name":59,"problem":60,"products":61},"privileged-access-management","Privileged access management (PAM)","Admin accounts stop being one stolen password away from control of everything.",[62,69,77],{"vendor_slug":63,"vendor_name":64,"vendor_logo":65,"product_slug":58,"product_name":66,"url":67,"description":68},"threatlocker","ThreatLocker","\u002Fvendor-logos\u002Fthreatlocker.png","Privileged Access Management","https:\u002F\u002Fwww.threatlocker.com\u002Fcapabilities\u002Fprivileged-access-management","Gives elevated rights to specific applications only where needed, so users do not need local admin accounts.",{"vendor_slug":70,"vendor_name":71,"vendor_logo":72,"product_slug":73,"product_name":74,"url":75,"description":76},"palo-alto-networks","Palo Alto Networks","\u002Fvendor-logos\u002Fpalo-alto-networks.png","idira-privileged-access-management","Idira Privileged Access Management","https:\u002F\u002Fwww.paloaltonetworks.com\u002Fidira\u002Fhuman\u002Fprivileged-access-management","Privileged access management from the former CyberArk portfolio: vaulting, rotation, just-in-time access and session monitoring.",{"vendor_slug":78,"vendor_name":79,"vendor_logo":80,"product_slug":81,"product_name":82,"url":83,"description":84},"beyondtrust","BeyondTrust","\u002Fvendor-logos\u002Fbeyondtrust.png","password-safe","BeyondTrust Password Safe","https:\u002F\u002Fwww.beyondtrust.com\u002Fproducts\u002Fpassword-safe","Privileged password and session management.",{"slug":86,"name":87,"problem":88,"products":89},"patch-management","Automated patch management","Known holes get closed in days, not months.",[90,98,105],{"vendor_slug":91,"vendor_name":92,"vendor_logo":93,"product_slug":94,"product_name":95,"url":96,"description":97},"microsoft","Microsoft","\u002Fvendor-logos\u002Fmicrosoft.png","intune","Microsoft Intune","https:\u002F\u002Fwww.microsoft.com\u002Fen-us\u002Fsecurity\u002Fbusiness\u002Fmicrosoft-intune","Device management for Windows, macOS, iOS and Android, including update rings and compliance policies.",{"vendor_slug":99,"vendor_name":100,"vendor_logo":101,"product_slug":86,"product_name":102,"url":103,"description":104},"qualys","Qualys","\u002Fvendor-logos\u002Fqualys.png","Qualys Patch Management","https:\u002F\u002Fwww.qualys.com\u002Fapps\u002Fpatch-management\u002F","Patch deployment for operating systems and third-party applications, linked to vulnerability findings.",{"vendor_slug":106,"vendor_name":107,"vendor_logo":108,"product_slug":109,"product_name":110,"url":111,"description":112},"manageengine","ManageEngine","\u002Fvendor-logos\u002Fmanageengine.png","patch-manager-plus","ManageEngine Patch Manager Plus","https:\u002F\u002Fwww.manageengine.com\u002Fpatch-management\u002F","Patch management for operating systems and third-party applications, on premises or in the cloud.",{"slug":114,"name":115,"problem":116,"products":117},"log-management","Log management and security data pipelines","Security logs are so expensive to collect and keep that teams drop the ones they need when an incident happens.",[118,126,134],{"vendor_slug":119,"vendor_name":120,"vendor_logo":121,"product_slug":122,"product_name":123,"url":124,"description":125},"cribl","Cribl","\u002Fvendor-logos\u002Fcribl.png","cribl-stream","Cribl Stream","https:\u002F\u002Fcribl.io\u002Fproducts\u002Fstream\u002F","Collects, reduces, redacts and routes data between sources and tools, keeps a full-fidelity copy in low-cost storage, and replays it when needed.",{"vendor_slug":127,"vendor_name":128,"vendor_logo":129,"product_slug":130,"product_name":131,"url":132,"description":133},"sentinelone","SentinelOne","\u002Fvendor-logos\u002Fsentinelone.png","singularity-ai-data-pipelines","Singularity AI Data Pipelines","https:\u002F\u002Fwww.sentinelone.com\u002Fplatform\u002Fdata-pipelines\u002F","Security data pipelines from SentinelOne's purchase of Observo AI: reduce noisy telemetry, convert data to OCSF and speed up SIEM migrations.",{"vendor_slug":135,"vendor_name":136,"vendor_logo":137,"product_slug":138,"product_name":139,"url":140,"description":141},"edge-delta","Edge Delta","\u002Fvendor-logos\u002Fedge-delta.png","edge-delta-telemetry-pipelines","Telemetry Pipelines","https:\u002F\u002Fedgedelta.com\u002Fproduct\u002Ftelemetry-pipelines","Pipelines that process logs, metrics, traces and security events before they are indexed, with masking, hashing and pre-built packs, and a full-fidelity copy in object storage for rehydration.",[],{"slug":144,"title":145,"body":146,"framework_refs":147,"framework_notes":155},"vmware-esx-logging-flaw-lets-admins-act-undetected-cisa-flags-active-exploitation","VMware ESX Logging Flaw Lets Admins Act Undetected — CISA Flags Active Exploitation","A vulnerability in VMware ESX allows administrator actions to occur without being recorded in logs, effectively creating blind spots during incident investigations and forensic analysis. Even though Broadcom rated the flaw as low severity, CISA's addition to its Known Exploited Vulnerabilities catalog confirms that threat actors are actively leveraging it — demonstrating that severity scores alone should not drive patching priorities. When logging integrity is compromised, defenders lose the ability to reconstruct attacker timelines, detect lateral movement, or attribute malicious activity. This matters because hypervisor-level blind spots can shield attackers operating across entire virtualised environments, amplifying the blast radius of any breach.",[148,149,150,151,152,153,154],"CIS Control 7: Continuous Vulnerability Management","CIS Control 17: Incident Response Management","NIST SP 800-53 SI-2: Flaw Remediation","NIST CSF 2.0 PR.AA: Identity Management, Authentication, and Access Control","ISO\u002FIEC 27001:2022 A.8.8: Management of technical vulnerabilities","NIS2 Article 21(2)(b)","MITRE ATT&CK T1566: Phishing",{"NIS2 Article 21(2)(b)":156,"MITRE ATT&CK T1566: Phishing":157,"NIST SP 800-53 SI-2: Flaw Remediation":158,"CIS Control 17: Incident Response Management":159,"CIS Control 7: Continuous Vulnerability Management":160,"ISO\u002FIEC 27001:2022 A.8.8: Management of technical vulnerabilities":161,"NIST CSF 2.0 PR.AA: Identity Management, Authentication, and Access Control":162},"NIS2 requires essential entities to implement measures for incident handling, which presupposes reliable logging infrastructure — a requirement undermined if a hypervisor logging bypass vulnerability is left unpatched.","While not phishing-specific, the broader ATT&CK framework's emphasis on Defence Evasion tactics (such as log disabling) maps directly to this vulnerability, where attackers exploit the logging flaw to erase their tracks and evade detection during an active intrusion.","SI-2 mandates that organisations identify, report, and remediate information system flaws promptly, which directly applies here where a known exploited vulnerability remained unpatched in production environments.","The vulnerability directly undermines incident response by suppressing log evidence; a robust IR programme requires verified, tamper-resistant logging as a foundational dependency for any post-incident investigation.","Continuous vulnerability scanning and a risk-based patching process tied to exploitation evidence (such as CISA KEV listings) would have prioritised this flaw for urgent remediation despite its low vendor severity score.","This control requires organisations to obtain timely information about technical vulnerabilities and take appropriate action, meaning CISA's KEV confirmation should have triggered an immediate patching response.","Restricting and closely monitoring privileged administrator access to the hypervisor layer would reduce the impact of the flaw, which allows admin actions to proceed without accountability."]