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

criticalCVSS 9.8CVE-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.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: critical — CVSS 9.8
Published: 2026-07-16
Last updated: 2026-07-17
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-53412

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-534120.65% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 47% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-53412	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownNCSC-2026-0249 [1.00] [M/M] Vulnerabilities fixed in Zoomncsc-nl
high[NEW] [high] Zoom Video Communications Rooms: Multiple vulnerabilitiescert-bund
unknownZoom Products Multiple Vulnerabilitieshkcert

Recent advisories for Improper Input Validation

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

mediumCVE-2025-62347: HCL iControl was affected by Improper Input Validation vulnerability. It is vulnerable to unex…nvd · 2026-07-31
criticalCVE-2026-13435: IBM Langflow OSS 1.0.0 through 1.10.1 contains an improper input validation vulnerability in t…nvd · 2026-07-30
highCVE-2026-22622: Improper input validation in one of the session management interface of Eaton's Tripp Lite ser…nvd · 2026-07-30
highCVE-2026-22621: Improper input validation in one of the session management interface of Eaton's Tripp Lite Ser…nvd · 2026-07-30
highCVE-2026-22620: Improper input validation in the authentication component of Eaton's Tripp Lite series PADM fi…nvd · 2026-07-30
highCVE-2026-40272: Improper Input Validation in the decode() function of the traceparser library could allow an a…nvd · 2026-07-29