How severe is CVE-2026-53411?

CVE-2026-53411 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-53411 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-53411?

CVE-2026-53411 affects Zoom Workplace Virtual Desktop Infrastructure. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-53411?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-53411 published?

CVE-2026-53411 was published on 2026-07-16 and last updated on 2026-08-12.

CVE-2026-53411

CVE-2026-53411 is a high-severity vulnerability in Zoom Workplace Virtual Desktop Infrastructure with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Zoom Workplace Virtual Desktop Infrastructure
Published: 2026-07-16
Last modified: 2026-08-12

Description

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.

Frequently asked questions

What is CVE-2026-53411?: 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 severe is CVE-2026-53411?: CVE-2026-53411 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-53411 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-53411?: CVE-2026-53411 affects Zoom Workplace Virtual Desktop Infrastructure. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-53411?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-53411 published?: CVE-2026-53411 was published on 2026-07-16 and last updated on 2026-08-12.

References

https://www.zoom.com/en/trust/security-bulletin/zsb-26013

Affected products (1)

cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*

More vulnerabilities in Zoom Workplace Virtual Desktop Infrastructure

CVE-2026-53412 — Critical (CVSS 9.8): Improper Input Validation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for…
CVE-2026-30903 — Critical (CVSS 9.6): External Control of File Name or Path in the Mail feature of Zoom Workplace for Windows before 6.6.0 may allow an…
CVE-2025-49457 — Critical (CVSS 9.6): Untrusted search path in certain Zoom Clients for Windows may allow an unauthenticated user to conduct an escalation of…
CVE-2025-30663 — High (CVSS 8.8): Time-of-check time-of-use race condition in some Zoom Workplace Apps may allow an authenticated user to conduct an…
CVE-2025-27440 — High (CVSS 8.5): Heap overflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via…
CVE-2025-27439 — High (CVSS 8.5): Buffer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via…

All CVEs affecting Zoom Workplace Virtual Desktop Infrastructure →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48056 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download video content. Versions prior to 2.5.0…
CVE-2026-33267 — Critical (CVSS 10.0): Improper Input Validation vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 9.2.0…
CVE-2026-47668 — Critical (CVSS 10.0): DbGate is cross-platform database manager. In versions 7.1.8 and prior, DbGate's JSON script runner (`POST…
CVE-2026-16117 — Critical (CVSS 10.0): Impact: @fastify/http-proxy versions up to and including 11.5.0 fail to rewrite the request prefix when the prefix…
CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →