Zoom Products Multiple Vulnerabilities
CSIRTS triage
- What
- Multiple vulnerabilities exist in Zoom products.
- Who is affected
- Users of Zoom products are affected.
- Urgency
- Remediation is important as vulnerabilities could lead to security issues, but exploitation is not confirmed.
- Action
- Update Zoom products to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
Details
Original advisory: https://www.hkcert.org/security-bulletin/zoom-products-multiple-vulnerabilities_20260716
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-2026-534090.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all scored CVEs.
- 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.
- Low exploitation riskCVE-2026-534110.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all scored CVEs.
- 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-2026-53409 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-53410 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-53411 | coverage & exploitation status | NVD · CVE.org |
| 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
- criticalCVE-2026-53412: Improper Input Validation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and…nvd
- highCVE-2026-53411: A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation …nvd
- highCVE-2026-53410: A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation …nvd
- highCVE-2026-53409: Improper Privilege Management in Zoom Rooms for Windows before version 7.1.0 may allow an auth…nvd
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