# CVE-2026-53412 — Zoom Workplace for Windows

> As of 2026-07-16, CVE-2026-53412 is a CRITICAL-severity vulnerability in Zoom Workplace for Windows, CVSS v3.1 9.8. Threadlinqs Intelligence links 3 tracked threat campaigns to CVE-2026-53412, most recently “Zoom Windows Apps Critical Unauthenticated Account Takeover (CVE-2026-53412) Plus Three Chained Local Privilege Escalation Flaws”.

**Last updated:** 2026-07-16

## What is CVE-2026-53412?

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.

The record classifies CVE-2026-53412 under weakness class [CWE-20](https://cwe.mitre.org/data/definitions/20.html). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 68 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.8 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.9/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-16

## Is CVE-2026-53412 being exploited?

No public exploitation evidence for CVE-2026-53412 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2026-07-16. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

## Affected products and versions

- **Zoom Communications**: Zoom Workplace for Windows

## How to fix CVE-2026-53412

No vendor patch reference has been recorded for CVE-2026-53412 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-53412

3 tracked threats in the Threadlinqs corpus reference CVE-2026-53412, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Zoom Windows Apps Critical Unauthenticated Account Takeover (CVE-2026-53412) Plus Three Chained Local Privilege Escalation Flaws](https://intel.threadlinqs.com/threat/TL-2026-1393) — CRITICAL · 2026-07-16
- [Zoom Patches Critical Windows Client Flaw (CVE-2026-53412, CVSS 9.8) Enabling Unauthenticated Account Takeover](https://intel.threadlinqs.com/threat/TL-2026-1405) — CRITICAL · 2026-07-16
- [CVE-2026-53412: Unauthenticated Remote Account Takeover in Zoom Desktop Client, VDI Client, and Meeting SDK for Windows](https://intel.threadlinqs.com/threat/TL-2026-1407) — CRITICAL · 2026-07-16

## Sources

Enriched from CVE.org, NVD, GitHub Security Advisories. Last verified by Threadlinqs on 2026-07-17. This product uses the NVD API but is not endorsed or certified by the NVD.

**Other references**

- [zoom.com](https://www.zoom.com/en/trust/security-bulletin/zsb-26014)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-53412
Full detection coverage and IOCs for threats exploiting CVE-2026-53412 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp