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CVE-2025-41246VulnerabilityPublished Updated

CVE-2025-41246: VMware Tools · Incorrect Authorization

Affects VMware ToolsSource CVE Database V5

0

Not known to be exploited · CVSS 7.6 High · fixed in 14.0.0 : patch VMware Tools soon.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
7.6High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 14.0.0, 13.0.0, 12.0.0
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Sep 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Upgrade VMware Tools to 14.0.0, 13.0.0 or 12.0.0.

Affected software

ProductAffectedFixed in
VMware ToolsAffected
  • >=13.0.0 <14.0.0
  • >=12.0.0 <13.0.0
  • >=11.0.0 <12.0.0
Fixed in
  • 14.0.0
  • 13.0.0
  • 12.0.0

AI-suggested

To mitigate CVE-2025-41246 effectively, organizations should: 1) Enforce strict credential management policies, including regular rotation and strong password practices for vCenter, ESX, and guest VM accounts to reduce the risk of credential compromise. 2) Implement network segmentation and micro-segmentation within virtual environments to limit lateral movement between guest VMs even if one is compromised. 3) Apply the principle of least privilege rigorously, ensuring users and service accounts have only the minimum necessary access rights. 4) Monitor and audit access logs for unusual authentication attempts or cross-VM access patterns that could indicate exploitation attempts. 5) Stay informed about VMware security advisories and apply patches or updates promptly once VMware releases fixes for this vulnerability. 6) Consider deploying additional security controls such as endpoint detection and response (EDR) solutions on guest VMs to detect anomalous behavior. 7) Use multi-factor authentication (MFA) for access to vCenter and ESX management interfaces to reduce the risk of credential misuse. 8) Conduct regular security assessments and penetration testing focused on virtualization infrastructure to identify and remediate weaknesses proactively.

Description

VMware Tools for Windows contains an improper authorisation vulnerability due to the way it handles user access controls. A malicious actor with non-administrative privileges on a guest VM, who is already authenticated through vCenter or ESX may exploit this issue to access other guest VMs. Successful exploitation requires knowledge of credentials of the targeted VMs and vCenter or ESX.

References

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