CVE-2026-53412: Improper Input Validation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SD

This month

CRITICAL 9.8REMOTEUPGRADEUPGRADE

CVE-2026-53412 is a critical-severity flaw (CVSS 9.8) affecting workplace desktop, workplace virtual desktop infrastructure. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Input Validation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for Windows may allow an unauthenticated user to conduct an account takeover via network access.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 56%)
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 desktop 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 workplace-desktop || rpm -q workplace-desktop || workplace-desktop --version

2. UPGRADE to 7.0.0 (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: >= 6.5.0 and < 6.5.18 · >= 6.6.0 and < 6.6.15 · >= 7.0.0 and < 7.0.10

Fixed in: 6.5.18, 6.6.15, 7.0.10

Safe to downgrade to: a release before 6.5.0

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 6.5.18 (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 6.5.0 (Debian / Ubuntu)

apt-cache madison workplace-virtual-desktop-infrastructure sudo apt install workplace-virtual-desktop-infrastructure=<VERSION_BEFORE_6.5.0> 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_6.5.0> 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-2026-53412?

workplace desktop: upgrade to 7.0.0; workplace virtual desktop infrastructure: upgrade to 6.5.18, 6.6.15, 7.0.10. Exact commands for each OS are on this page.

Is CVE-2026-53412 being exploited?

CVE-2026-53412 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-2026-53412 affect?

CVE-2026-53412 affects workplace desktop, workplace virtual desktop infrastructure. Severity is critical (CVSS 9.8). Improper Input Validation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for Windows may allow an unauthenticated user to conduct an account takeover via network access.

How urgent is CVE-2026-53412?

Priority 50/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Windows vulnerabilities · Zoom vulnerabilities

Related CVEs

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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