CVE-2026-53410: A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certa

Routine

HIGH 7.0UPGRADEUPGRADEUPGRADE

CVE-2026-53410 is a high-severity flaw (CVSS 7.0) affecting remote control for zoom contact center, rooms, workplace desktop. 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	7.0 (High)
Attack vector	Local
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 99%)
CISA exploited list	No
Weakness	CWE-367
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 21:17 UTCPublished CVE record published
2026-10-24 20:10 UTCUpdated Record last modified

zoom remote control for zoom contact center UPGRADE

Affected: < 7.0.0

Fixed in: 7.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy remote-control-for-zoom-contact-center || rpm -q remote-control-for-zoom-contact-center || remote-control-for-zoom-contact-center --version

2. UPGRADE to 7.0.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade remote-control-for-zoom-contact-center

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade remote-control-for-zoom-contact-center

Note

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

zoom rooms UPGRADE

Affected: < 7.0.5

Fixed in: 7.0.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 7.0.5 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade rooms

Note

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

zoom workplace desktop UPGRADE

Affected: < 7.0.5

Fixed in: 7.0.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 7.0.5 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade workplace-desktop

Note

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

zoom workplace virtual desktop infrastructure UPGRADE

Affected: < 6.5.17 · >= 6.6.0 and < 6.6.14

Fixed in: 6.5.17, 6.6.14

Safe to downgrade to: a release before 6.6.0

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 6.5.17 (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.

3. If no update is available yet, DOWNGRADE to a release before 6.6.0 (Debian / Ubuntu)

apt-cache madison workplace-virtual-desktop-infrastructure sudo apt install workplace-virtual-desktop-infrastructure=<VERSION_BEFORE_6.6.0> sudo apt-mark hold workplace-virtual-desktop-infrastructure

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list workplace-virtual-desktop-infrastructure sudo dnf downgrade workplace-virtual-desktop-infrastructure-<VERSION_BEFORE_6.6.0> sudo dnf versionlock add workplace-virtual-desktop-infrastructure

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-53410?

remote control for zoom contact center: upgrade to 7.0.0; rooms: upgrade to 7.0.5; workplace desktop: upgrade to 7.0.5. Exact commands for each OS are on this page.

Is CVE-2026-53410 being exploited?

CVE-2026-53410 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-2026-53410 affect?

CVE-2026-53410 affects remote control for zoom contact center, rooms, workplace desktop. Severity is high (CVSS 7.0). 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-2026-53410?

Priority 25/100. High severity

Software pages

Windows vulnerabilities · Zoom vulnerabilities

References

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