CVE-2026-53411: A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certa

Q: How do I fix CVE-2026-53411?

workplace virtual desktop infrastructure: upgrade to 6.6.14. Exact commands for each OS are on this page.

Q: Is CVE-2026-53411 being exploited?

CVE-2026-53411 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-2026-53411 affect?

CVE-2026-53411 affects workplace virtual desktop infrastructure. Severity is high (CVSS 7.8). A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges.

Routine

HIGH 7.8UPGRADE

CVE-2026-53411 is a high-severity flaw (CVSS 7.8) affecting workplace virtual desktop infrastructure. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges.

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	0.1% (top 97%)
CISA exploited list	No
Weakness	CWE-20
Published	2026-07-16
Last modified	2026-10-24

Publisher (CNA): Zoom Video Communications, Inc. · Vendor: zoom

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-16 22:17 UTCPublished CVE record published
2026-10-24 20:10 UTCUpdated Record last modified

zoom workplace virtual desktop infrastructure UPGRADE

Affected: < 6.6.14

Fixed in: 6.6.14

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy workplace-virtual-desktop-infrastructure || rpm -q workplace-virtual-desktop-infrastructure || workplace-virtual-desktop-infrastructure --version

2. UPGRADE to 6.6.14 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade workplace-virtual-desktop-infrastructure

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade workplace-virtual-desktop-infrastructure

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-2026-53411?

workplace virtual desktop infrastructure: upgrade to 6.6.14. Exact commands for each OS are on this page.

Is CVE-2026-53411 being exploited?

CVE-2026-53411 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-2026-53411 affect?

CVE-2026-53411 affects workplace virtual desktop infrastructure. Severity is high (CVSS 7.8). A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges.

How urgent is CVE-2026-53411?

Priority 28/100. High severity

Software pages

Windows vulnerabilities · Zoom vulnerabilities

Related CVEs

CVE-2026-53412 CRITICAL 9.8 UPGRADE UPGRADE Improper Input Validation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SD
CVE-2026-53410 HIGH 7.0 UPGRADE UPGRADE A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certa

References

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