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CVE-2025-46785: Buffer over-read in some Zoom Workplace Apps for Windows may allow an authenticated user to conduct a denial o

35
Routine
MEDIUM 6.5UPGRADEUPGRADEUPGRADE

CVE-2025-46785 is a medium-severity flaw (CVSS 6.5) affecting meeting software development kit, rooms, rooms controller. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer over-read in some Zoom Workplace Apps for Windows may allow an authenticated user to conduct a denial of service via network access.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.5 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.6% (top 52%)
CISA exploited listNo
WeaknessCWE-120
Published2025-05-14
Last modified2026-06-17
Publisher (CNA): Zoom Video Communications, Inc. · Vendor: zoom

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

zoom meeting software development kit UPGRADE
Affected: < 6.4.0
Fixed in: 6.4.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy meeting-software-development-kit || rpm -q meeting-software-development-kit || meeting-software-development-kit --version
2. UPGRADE to 6.4.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade meeting-software-development-kit
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade meeting-software-development-kit
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
zoom rooms UPGRADE
Affected: < 6.4.0
Fixed in: 6.4.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy rooms || rpm -q rooms || rooms --version
2. UPGRADE to 6.4.0 (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 rooms controller UPGRADE
Affected: < 6.4.0
Fixed in: 6.4.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy rooms-controller || rpm -q rooms-controller || rooms-controller --version
2. UPGRADE to 6.4.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade rooms-controller
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade rooms-controller
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
zoom workplace desktop UPGRADE
Affected: < 6.4.0
Fixed in: 6.4.0
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 6.4.0 (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: < 6.1.17 · >= 6.1.18 and < 6.2.13 · >= 6.2.14 and < 6.3.10
Fixed in: 6.1.17, 6.2.13, 6.3.10
Safe to downgrade to: a release before 6.1.18
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 6.1.17 (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 6.1.18 (Debian / Ubuntu)
apt-cache madison workplace-virtual-desktop-infrastructure sudo apt install workplace-virtual-desktop-infrastructure=<VERSION_BEFORE_6.1.18> 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_6.1.18> 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-2025-46785?

meeting software development kit: upgrade to 6.4.0; rooms: upgrade to 6.4.0; rooms controller: upgrade to 6.4.0. Exact commands for each OS are on this page.

Is CVE-2025-46785 being exploited?

CVE-2025-46785 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-2025-46785 affect?

CVE-2025-46785 affects meeting software development kit, rooms, rooms controller. Severity is medium (CVSS 6.5). Buffer over-read in some Zoom Workplace Apps for Windows may allow an authenticated user to conduct a denial of service via network access.

How urgent is CVE-2025-46785?

Priority 35/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities · Zoom vulnerabilities

Related CVEs

References

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