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From The CircuitryVerified tech news, cross-checked.How we verify →
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Verification
VERIFIEDConfidence: HIGH
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Fact-check summary

CISA's October 28, 2026 alert and KEV catalog confirm the addition of CVE-2026-41709 for Broadcom VMware ESX insufficient logging.

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Home/Security/CISA Adds VMware ESX Logging Flaw CVE-2026-41709 to KEV; Due Nov. 11
VERIFIEDBy Xavier Rivera·Wednesday, October 28, 2026 at 4:44 PM AST·1 min read

CISA Adds VMware ESX Logging Flaw CVE-2026-41709 to KEV; Due Nov. 11

CISA says it added CVE-2026-41709, an insufficient logging flaw in Broadcom's VMware ESX, to its Known Exploited Vulnerabilities catalog on Oct. 28. The flaw requires admin access, and CISA lists a Nov. 11 federal deadline; it has not said who is exploiting it.

Source:CISA KEV
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CISA Adds VMware ESX Logging Flaw CVE-2026-41709 to KEV; Due Nov. 11
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CISA says it added CVE-2026-41709, an insufficient logging flaw in Broadcom's VMware ESX, to its Known Exploited Vulnerabilities (KEV) catalog on October 28, 2026. In plain terms: insufficient logging; requires admin access. CISA says the bug could let a malicious actor with admin access perform certain operations without being logged.
CISA says the bug could let a malicious actor with admin access perform certain operations without being logged.
What CISA lists. CISA lists the weakness as CWE-778 (insufficient logging) and gives federal civilian agencies until November 11, 2026, to apply mitigations under its BOD 26-04 directive. CISA lists known ransomware campaign use as unknown. CISA's entry does not say who is exploiting the flaw, how, or how widely.

What Broadcom says. Broadcom disclosed and fixed the issue on July 29, 2026, in security advisory VMSA-2026-0006 (Broadcom notification 38017), and rates it Low severity with a CVSS score of 2.7. Broadcom lists fixed builds including ESXi-9.1.0.0-25370933, ESXi-9.0.2.0100-25595025 and ESXi80U3j-25429389, plus VMware Cloud Foundation 5.2.4.
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What to do. CISA tells organizations to follow vendor mitigation instructions, evaluate each asset's internet exposure, and stop using the product if mitigations are unavailable. Admins can check the Broadcom advisory for affected versions and fixes.
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  • Tech·Oct 28

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    CISA says it added Linux kernel flaw CVE-2026-46300 to its Known Exploited Vulnerabilities catalog on Oct. 28, with a federal deadline of Oct. 31 and forensic triage required. CISA says it can be chained with two PHP flaws to implant webshells and run commands as root.

  • Tech·Oct 29

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  • Tech·Oct 28

    Microsoft Flags Edge Type-Confusion Flaw CVE-2026-62765 (CVSS 7.5)

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  • Tech·Oct 27

    CISA Adds Exploited Adobe Commerce and Magento Flaw to KEV

    CISA added CVE-2026-48356, an unrestricted file-upload flaw in Adobe Commerce and Magento, to its Known Exploited Vulnerabilities catalog on Oct 27, citing evidence of active exploitation. Adobe patched the flaw in APSB26-73 on July 14; federal civilian agencies must remediate by Nov 10.