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TI-2026-30218 Aliases CVE-2026-41702GHSA-gwg2-qh78-562m

TOCTOU local privilege escalation vulnerability

Priority LOW 35CWE-367Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

VMware Fusion contains a TOCTOU (Time-of-check Time-of-use) vulnerability that occurs during an operation performed by a SETUID binary. A malicious actor with local non-administrative user privileges may exploit this vulnerability to escalate privileges to root on the system where Fusion is installed.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00169 6th percentileScored 2026-11-07
Fix Fixed Fusion (VMware): 2026H1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
VMwareFusion2025H2 to before 2026H12026H1Patch availableCNA
  • Fusion VendorVMware Affected 2025H2 to before 2026H1 Fixed in 2026H1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*before 26h1VulnerableVMware
  • cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:* Versions before 26h1 Vulnerable ·VMware

Remediation

  • Fix · CNA Fusion (VMware) Fixed in 2026H1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-41702
  2. 2026-10-03 Alias added: GHSA-gwg2-qh78-562m

References

  • TI-2020-03448 Improper privilege management in VMware Fusion, VMware Remote Console for Mac and Horizon… KEVCVSS 3.1HIGH 7.8
  • TI-2025-16137 Out-of-bounds read in ESXi KEVCVSS 3.1HIGH 7.1
  • TI-2017-03716 Observable discrepancy in Intel Most Modern Operating Systems CVSS 3.1MEDIUM 5.6
  • TI-2017-03034 Memory corruption in VMware Workstation Pro/Player CVSS 3.0CRITICAL 9.9
  • TI-2016-04622 Untrusted search path vulnerability in the HGFS (aka Shared Folders) feature in VMware… CVSS 3.1HIGH 7.8
  • TI-2011-03420 Buffer overflow in VMware Workstation 7.x before 7.1.5, VMware Player 3.x before 3.1.5… CVSS 2.0HIGH 9.3
See all 130 →

Sources