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ExploitedIn CISA KEVFix available

CVE-2026-41709

Exploitation confirmed. First attested on 2026-10-28 by CISA-ADP, CISA KEV, GCVE · previdian.

  • Published2026-07-30
  • Fixed in9.0.2.0100
  • WeaknessCWE-778

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

VMware ESX contains an insufficient logging vulnerability. A malicious administrator could exploit this issue to perform certain operations without them being logged.

Timeline

dates in UTC
  1. 2026-07-3014:16CVE publishedNVD
  2. 2026-10-28Added to the CISA KEV catalogCISA KEV
  3. 2026-10-28Listed as exploited by GCVEGCVE
  4. 2026-10-28Exploitation first reportedCISA KEV
  5. 2026-10-2819:50SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-02 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-41709?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-41709?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Vmware esxiversion to verify
BranchAffectedFixed in
9.0≥ 9.0.0, < 9.0.2.01009.0.2.0100
8.0= 8.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA4 products

As vmware, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • VMware Cloud Foundationother versions: not affected
    Affected
    • = 9.1.x.xno fix stated
    • = 9.0.x.xno fix stated
    • ≥ 5.x, < 5.2.4fixed in 5.2.4custom
  • VMware vSphere Foundationother versions: not affected
    Affected
    • = 9.1.x.xno fix stated
    • = 9.0.x.xno fix stated
  • VMware ESXother versions: not affected
    Affected
    • ≥ 9.1.x.x, < ESXi-9.1.0.0-25370933fixed in ESXi-9.1.0.0-25370933custom
    • ≥ 9.0.x.x, < ESXi-9.0.2.0100-25595025fixed in ESXi-9.0.2.0100-25595025custom
    • ≥ 8.0, < ESXi80U3j-25429389fixed in ESXi80U3j-25429389custom
  • VMware Telco Cloud Platformother versions: not affected
    Affected
    • = 5.1.xno fix stated
    • = 5.0.xno fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-07-30

Fix

  1. Update Vmware esxi to 9.0.2.0100
  2. CISA’s required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.due 2026-11-11

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2026-10-28
Patch Due Date
2026-11-11
Ransomware Use
Unknown
Required Action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Published
2026-07-30
Last Modified
2026-10-29
NVD status
Analyzed
GitHub Advisory
GHSA-vpqj-56x2-gp9p

Frequently asked questions

What is CVE-2026-41709?

VMware ESX contains an insufficient logging vulnerability. A malicious administrator could exploit this issue to perform certain operations without them being logged.

Is CVE-2026-41709 actively exploited?

Yes. CVE-2026-41709 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-11-11.

What is the CVSS score for CVE-2026-41709?

CVE-2026-41709 has a CVSS v3 base score of 2.7 (LOW severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.

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Sources for this record