CVE-2026-41702: VMware Fusion contains a TOCTOU (Time-of-check Time-of-use) vulnerability that occurs during an operation perf

Q: How do I fix CVE-2026-41702?

fusion: upgrade to 26h1. Exact commands for each OS are on this page.

Q: Is CVE-2026-41702 being exploited?

CVE-2026-41702 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-41702 affect?

CVE-2026-41702 affects fusion. Severity is high (CVSS 7.8). 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 escala

Routine

HIGH 7.8UPGRADE

CVE-2026-41702 is a high-severity flaw (CVSS 7.8) affecting fusion. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 94%)
CISA exploited list	No
Weakness	CWE-367
Published	2026-05-15
Last modified	2026-10-26

Publisher (CNA): VMware · Vendor: vmware

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-15 07:16 UTCPublished CVE record published
2026-10-26 14:10 UTCUpdated Record last modified

vmware fusion UPGRADE

Affected: < 26h1

Fixed in: 26h1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fusion || rpm -q fusion || fusion --version

2. UPGRADE to 26h1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fusion

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fusion

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-41702?

fusion: upgrade to 26h1. Exact commands for each OS are on this page.

Is CVE-2026-41702 being exploited?

CVE-2026-41702 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-41702 affect?

CVE-2026-41702 affects fusion. Severity is high (CVSS 7.8). 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 escala

How urgent is CVE-2026-41702?

Priority 29/100. High severity

Software pages

VMware vulnerabilities

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References

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