CVE-2026-53410: 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

highCVSS 7CVE-2026-53410

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.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 7
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-2026-53410

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-2026-534100.09% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-53410	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 A time-of-check to

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.

highCVE-2026-58164: Apache Traffic Server has use-after-free and time-of-check/time-of-use errors in remap configu…nvd · 2026-07-29
unknownCVE-2026-59676: A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in seunshare of selinux poli…nvd · 2026-07-23
highCVE-2026-63756: SurrealDB versions before 3.1.0 contain a time-of-check/time-of-use race condition in the HTTP…nvd · 2026-07-20
highCVE-2026-53411: A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation …nvd · 2026-07-16
unknownCVE-2026-15449: A time-of-check to time-of-use (TOCTOU) flaw in the illumos data-link pseudo-driver (dld) affe…nvd · 2026-07-16
highCVE-2026-48344: Creative Cloud Desktop is affected by a Time-of-check Time-of-use (TOCTOU) Race Condition vuln…nvd · 2026-07-14